Some standard content:
National Standard of the People's Republic of China
Glossary of printing ink terms1 Subject content and scope of application
GB/T15962--1995
This standard specifies the technical terms of printing ink and related products, inspection methods, applications and their source materials. This standard applies to the production, application, scientific research, teaching, publishing and compilation of standards for printing inks, and can also be used in domestic and foreign technical exchanges. 2 Reference standards
GB5698 Color terms
3 Printing ink
A colloidal dispersion system composed of pigments, fillers, binders and auxiliary agents, used for printing coloring materials. 3.1 Relief printing ink A general term for various inks suitable for letterpress printing. 3.1.1 Letterpress ink for publication Ink suitable for printing books and periodicals and small batches of printed materials on flatbed letterpress printing machines. Letterpress color ink3.1.2
Applicable to the printing of small batches of color prints (such as trademarks, advertisements, manuals, etc.) on flat four-plate printing presses. 3.1.3 Rotary letterpress ink for publication Applicable to the ink used by letterpress rotary printing presses to print books and periodicals on paper with high absorbency. Rotary letterpress news ink3.1.4
Applicable to the ink used by letterpress rotary printing presses to print newspapers and periodicals on roll letterpress paper. 3.1.5 Rotary letterpress color news ink Applicable to the ink used by letterpress rotary printing presses to print color periodicals on roll letterpress paper. 3.1.6
Copper plate printing ink Copper plate printing ink Applicable to the ink used by copper plate printing. Letterpress printing ink for plastic films3.1.7
Applicable to the ink used by flat letterpress printing presses to print plastic films. 3.1.8 Flexographic printing ink Flexographic printing ink is an ink suitable for printing plastic films, metal foils, paper, corrugated paper and other packaging materials on flexographic printing presses. 3.2 Planographic priating ink A general term for various inks suitable for lithographic printing 3.2.1 Lithographic printing ink Lithographic printing ink An ink suitable for lithographic printing.
3.2.2 Offset printing ink Approved by the State Administration of Technical Supervision on December 26, 1995 34
Implemented on December 1, 1996 GB/T 159621995
A general term for inks suitable for various offset printing presses. 3.2.3 High gloss offset ink Offset ink with a high gloss print. 3.2.4 Resin offset ink Resinous offset ink An offset ink made with synthetic resin as the main raw material. Web-fed offset ink3.2.5
Ink for web-fed offset printing press.
Sheet-fed offset ink3.2.61
Ink for sheet-fed offset printing press.
Four colors process offset ink3.2.7
Applicable to four-color offset printing press or general offset printing press, using four-color printing process, yellow, magenta, cyan, black offset ink, used for printing color photos or color painting manuscripts.
3.2.8 Quick-set offset ink Printed on coated paper, due to the penetration of solvent, the ink layer is quickly solidified to the point of being inactive to the touch. Offset tin-printing ink3.2.9
Applicable to printing tinplate, with the characteristics of quick drying when heated and firmly adhering to offset ink. 3.2.10 Sterilization resistance offset tin printing ink refers to offset tin printing ink that can meet the requirements of not changing color or fading when the print is boiled and sterilized after being printed on food cans. 3.2.11 Collotype printing ink is an ink used for copying calligraphy and painting and other artworks by collotype printing presses. 3.3 Gravure ink
A general term for inks used in various gravure printing methods. 3.3.1 Intaglio ink is an ink used for gravure printing of banknotes and securities. 3.3.2 Photogravure ink is an ink used for photogravure printing of book pages, paintings, stamps, etc. 3.3.3 Aromaticbased photogravure ink is a photogravure ink with aromatic hydrocarbons as the main solvent. 3.3.4 Aliphaticbasedphotogravureink Photographic publishing ink with hydrocarbon as main solvent. 3.3.5 Waterbasedphotogravureink Photogravure ink that can be diluted with water.
Gravure ink for plastic film 3.3.6
Ink suitable for printing on pre-treated polyolefin film by gravure rotary printing press. 3.3.7
Gravure ink for hot-laminiatingplastic film Ink suitable for gravure printing on pre-treated polyolefin or polyester film and can meet the requirements of hot lamination process. 3.3.8 Gravure ink for cold-laminatinigplastic.film Ink suitable for printing on pre-treated polyolefin or polyester film by cut-plate printing press and can meet the requirements of cold lamination process. 3.3.9 Gravure ink for polyvinyl chloride film Ink suitable for printing polyvinyl chloride film by plate printing machine. 3.3.10 Alcohol based gravure ink Ink with alcohol as main solvent suitable for plate printing. 3.4 Porous printing ink35
GB/T15962-1995
General term for ink suitable for various porous printing methods. Screen printing ink3.4.1
(Silk screen printing ink) Ink suitable for various screen printing of various substrates. Stencil ink
Ink suitable for printing with hand-carved or typewritten wax paper as printing plate. Water based stencil ink3.4.37
Water based stencil ink3.4.37
Stencil ink with water as main solvent.
Screen printing ink for metal3.4.4
Ink suitable for screen printing on metal surfaces. 3.4.5Screen printing ink for plastic materialsInk suitable for screen printing on plastic materials. 3.4.6F
Etch-resist screen printing ink for printed circuit board is suitable for various screen printing machine printed circuit boards, which can withstand the corrosion of ferric chloride and the like, and can be easily cleaned with dilute alkali solution.
Ultra-violet curing solder proof screen printing ink is suitable for various screen printing machine printed circuit boards, which can withstand wave soldering or flood soldering, and will not bubble, discolor or stick to solder when cleaning the flux. 3.4.8Ceramic electric filter etch-resist screen printing ink is suitable for screen printing ceramic filters, which can withstand the corrosion of concentrated nitric acid and can be easily cleaned with organic solvents. 3.4.9Screen printing inks for frequency modulation is suitable for screen printing ceramic filters, which can play the role of frequency modulation filtering. 3.5Special inks
Inks with special properties or special uses. Heat-set printing ink3.5.1
Ink in which the solvent evaporates rapidly when heated, thus fixing the ink layer on the substrate. 3.5.2
Infrared setting printing inkInfrared setting printing inkInk that can fix the ink layer rapidly by infrared irradiation. 3.5.3Hot melt printing inkInk that is solid at room temperature and needs to be heated by the ink fountain of the printing press to melt the ink for printing. The ink solidifies when the printed material is cooled, so it is also called cold setting ink.
Moisture-set printing ink3.5.4
Ink in which the resin in the ink precipitates and solidifies and dries when the ink layer of the printed material absorbs water to a certain extent. 3.5.5
Steam-set printing inkA type of wet-set ink that can be quickly fixed and dried by water vapor treatment. Wax setting printing ink3.5.6
The printed matter printed with this ink can be immediately immersed in the molten wax liquid after printing, and the ink layer can be immediately fixed. It is also called wax solidification ink. 3.5.7
Thermo curing printing inkThermo curing printing inkInk that can react quickly to form an insoluble and infusible solid ink film when heated. 3.5.8Ultraviolet curing printing inkInk that can completely cure the ink layer on the printed matter in an instant after being irradiated with ultraviolet rays. 3.5.9#
Electron beam curing printing inkElectron beam curing printing inkInk that can cure in an instant after being irradiated with electron beams. 36
GB/T15962--1995
3.5.10Heat transfer printing inkInk that can transfer the pattern and text printed on special paper to other materials by contact and heating. 3.5.11
Decal process printing inkInk for printing images on specially made decal paper that is easy to peel and can be attached and transferred with water. Ceramic decal printing ink3.5.12
Ink made of pigments and binders specially used for ceramics, printed into ceramic decal paper, attached and transferred to ceramics, and then sintered to develop color.
3.5.13Electrically conductive printing inkInk made of conductive materials has a certain degree of conductive properties and can be used to print conductive dots or conductive lines. 3.5.14Magnetic printing inkInk made of magnetizable materials, printed on a certain substrate, can be read by an electronic reader. Such as new bank checks, credit cards, etc.
3.5.15 Optical mark recognition ink (OMR ink) is an ink made of a pigment with very low reflectivity, such as carbon black. Its printed material can show a certain reflection contrast to an optical scanning reader, so that the printed line mark can be read by an optical scanning reader. 3.5.16 Optical character recognition ink (OCR ink) is an ink made of a pigment with very low reflectivity, such as carbon black. Its printed material can show a certain reflection contrast to an optical scanning reader, so that the printed data characters can be read by an optical scanning reader. Safety ink
The print of this ink will change color or fade when it comes into contact with faders or water, and it can also be easily erased by an eraser. It is used to print the background of securities to prevent alteration.
3.5.18 Sympathetic ink The print of this ink is generally invisible and becomes visible only under special conditions, such as visible under ultraviolet light or chemical treatment.
3.5.19 Anti-forgery inkAn oil that undergoes certain changes under special conditions is used to print visible or invisible marks to facilitate verification and prevent forgery. 3.5.20 Foaming ink
This ink contains foaming materials. When the printed piece is heated, it foams and bulges, becoming a printed product that bulges to a certain height. 3.5.21 Embossing ink
Ink that can make the print bulge to make it eye-catching. 2 Braille printing ink3.5.22
Phonetic readings require the handwriting to be bulged higher for hand reading. The ink used is one of the foaming oils in 3.5.2Q. 3.5.23
Fungicidal ink
Ink that can prevent the growth of mold to a certain extent. 3.5.24 Perfumed ink
Ink with a fragrant smell.
3.5.25 Grease proof printing ink Ink used for printing cream and other grease product packaging. It does not bleed or fall off when in contact with grease. 3.5.26 Indelible printing ink Ink used for fabric printing that can withstand washing and scalding without bleeding, discoloration or falling off. 3.5.27 Washable printing ink Used for printing certain marks on fabrics. The ink is easy to wash off. 3.5.28 Metallic printing ink37
GB/T 15962—1995
Refers to ink made of metallic pigments, such as gold ink and silver ink. 3.5.29 Gold ink (bronze ink) Ink that has a golden luster after printing. It is made of copper alloy powder as the pigment. 3.5.30
Silver ink
Ink that has a silver luster after printing. It is made of aluminum powder as the pigment. 3.5.31
Pearl lusting printing ink is an ink made of pearlescent pigments, and the print has a beautiful pearl luster. 3.5.32Mat ink (dull ink) is an ink with extremely low reflectivity or completely dull, also known as matte ink. 3.5.33Fluorescent ink is an ink made of fluorescent pigments, which has the property of converting short-wave ultraviolet rays into longer visible light and reflecting more dazzling colors. 3.5.34
Luminous ink
Ink made of luminous pigments has the property of emitting light green phosphorescence for a considerable period of time after being excited by sunlight or other light sources, also known as phosphorescent ink or luminous ink. 3.5.35Double tone inkDouble tone inkInk containing soluble dye in the binder. The edge of the print will have a double tone due to the color halo of the soluble dye seeping out. Printing ink for two piece can3.5.36
Ink suitable for printing on aluminum two piece can production line. 3.5.37Three colors process inkThree colors process inkA set of inks suitable for three colors printing, including yellow, magenta and cyan. 3.5.38Glass printing inkInk that can be printed on glass and can adhere firmly. Cellophane printing ink3.5. 39
Ink that can be printed on cellophane and can adhere firmly. 3.5.40
Printing ink for metal-foilInk that can be printed on metal foil and can adhere firmly. Collapsible tube printing ink3.5.41
Ink suitable for metal hose printing process. Collapsible tube roller coating3.5.42
Ink for metal hose roller coating. Tin-plate roller coating3.5.43
Ink for tin-plate roller coating. 3.5.44
Carbon paper ink
Ink for making carbon paper.
Ball pen ink
Ink for making ball pen refills.
3.5.46Ink for stampingInk for stamping and cancellation. 3.5.47Ink for numbering machineInk for numbering machine.
3.5.48Ink for masking
Ink for masking for typing or plate making. The former is white and the latter is black. 3.5.49 Waterless offset ink38
GB/T 15962—1995
Offset ink for printing without a wetting water system. 3.5.50 Letterset printing ink Letterset printing ink is an ink that is printed on a rubber blanket by a letterpress and then transferred to the substrate. Commonly known as dry offset ink. 3.5.51 Electrostatic printing ink Ink with special electrostatic properties suitable for electrostatic copying. There are two major categories: dry powder state and suspension state. 3.5.52 Dry electrostatic toner Colored powder suitable for dry electrostatic copiers that is easily charged with static electricity due to friction or induction. There are single-component and two-component types.
3.5.53 Wet electrostatic liquid toner A liquid colloidal system in which electrostatic pigment particles are suspended in a relatively insulating medium, suitable for wet electrostatic development. 3.5.54 Jet printing ink A liquid ink that can be sprayed onto the substrate as required to produce images and texts due to the electric field between the inkjet printer's inkjet nozzle and the substrate.
3.5.55 Lithographic drawing ink Also known as lithographic tracing ink, soda ink, and transfer ink, it has special adhesion to artificial marble plates and can be traced on special soda paper to transfer images and texts to the plate to make a lithograph. It can also be used directly on the lithograph to trace or retouch the plate. 3.5.56 Copyable ink
Also known as plate developing ink. It is suitable for lithographs or offset plates with images and texts to increase the firmness of the image and text parts on the printing plate. (Electronic component) marking ink Electronic coponent marking ink 3.5.570
Ink used to print logos on various plastic-sealed electronic components. 3.5.58 Wire marking ink Ink that can be used to print marks on the insulation coating of wires and can last for a long time without falling off. 3.6 Additive
Material that can be added in small amounts to adjust the ink to have certain properties when manufacturing or using ink. 3.6.1 Varnish
Oil that adjusts the viscosity or consistency of ink. 3.6.2 Resinous varnish Oil that adjusts the viscosity or consistency of ink containing synthetic resin. 3. 6.3 Water proof varnish (moisture proof varnish) Printing oil with certain properties to prevent moisture penetration. 3.6.4 Over-printing varnish Oil that can increase the surface smoothness and glossiness of printed matter after overprinting. 3.6.5 Gold varnish
Used to mix gold powder into gold ink and binder for gold printing. 3.6.6 Reducer
Transparent or semi-transparent additive, added to ink mainly to dilute the color. 3.6.7 White Lake
Also known as Velvet Oil, a diluent made from aluminum hydroxide. 3.6.8 Laketine
An emulsified diluent containing a large amount of water. 3.6.9 Diluent
Material used to reduce the viscosity or consistency of ink. 3.6.10 Viscosity reducer39
GB/T 15962-1995
Refers to a material added to ink that can reduce the viscosity or stickiness. 3.6.11 Thickener: Densifier (bodying-agent) Material used to increase the consistency of ink.
Anti-skinning agent3.6.12
Material added to ink to prevent the ink from forming a skin on its surface during storage or use. 3. 6. 13Anti-set-off agentMaterial added to ink to improve the smudge situation on the back of the printed piece. 3.6.14Dryer
Organic or inorganic salts of variable-valence metals such as lead, cobalt, and manganese, and their products, added to ink to accelerate the oxidative polymerization drying of the ink. These materials are collectively referred to as drying agents, also known as drying agents. 3.6.15Paste dryer
A white paste made of lead salt as the main component and cobalt salt and manganese salt as the auxiliary components, which is added to the ink to improve the oxidative polymerization drying of the ink.
3.6.16 Cobalt dryer
Red-purple paste made of cobalt salt and oil, with stronger drying effect than white drying oil, is added to ink to improve the oxidative polymerization drying of ink.
3.6.17 Drying retarder is an auxiliary agent containing antioxidant, which has the characteristic of inhibiting or delaying the oxidative polymerization drying of ink. 4 Ink inspection
The process of distinguishing various properties of ink by physical or chemical methods. 4.1 Color, colour
Visual characteristics other than image caused by light acting on the human eye. Visual phenomenon or characteristics of visible radiation that an observer can use to distinguish the difference between two visual fields of the same size, shape and structure a.
The characteristics of light stimulation that produces the above sensations. For example: red light, white light, etc. b.
The characteristics of objects that can cause light stimulation. For example: the red of red paper, the black of black cloth, etc. 4.2 Colored colors
refer to all colors except achromatic colors, each with different hues, brightness and saturation. 4.3 Achromatic colors refer to a series of neutral grays from light to black, with only differences in brightness, without the characteristics of hue and saturation. When the reflectivity of an object to the light waves of the visible spectrum is above 80%, it appears white, and when it is below 4%, it appears colorless. In between are grays with various brightness.
4.4 Munsell color system Munsell color system is a systematic method of classifying and calibrating colors by using a three-dimensional model to represent the brightness, hue and saturation of the surface color of an object. 4.51
Hue
Indicates the color characteristics of red, yellow, green, blue, purple, etc. 4.6 Saturation
Refers to the degree of purity of the color. The purer the color, the richer it feels to people. 4.7 Lightness
The relative light and dark characteristics of the surface of an object.
b. Under the same lighting conditions, with a white board as a reference, the measurement of the visual characteristics of the surface of an object. The three attributes of color vibrance—
GB/T15962-—1995
4.8 CIE color system CIE color system is the theory and method of the International Commission on Illumination to express and measure color systems. 4.9 Tristimulus values The amount of three primary stimuli required to achieve color matching with the light to be measured in the trichromatic system. 4.10 Chroma
is a measure of the color intensity of an object's surface, using the visual characteristics of distance, brightness and no color points. Chroma
, one of the three attributes of color, refers to the combined amount of hue and saturation. Therefore, when describing color with chromaticity, brightness is not considered. 4.12 Chromaticity coordinates refer to the relative proportion of the stimulus amount of color reflected (transmitted) light in the total stimulus amount of the three primary colors of red, green and blue, and are usually expressed in,,.
4.13 Color difference
refers to the difference between two colors, expressed as △E. 4.13.1 A colorimeter is a colorimeter that uses the standard light source inside the instrument to measure the photoelectric integral of the reflected color (or transmitted color). It can directly measure the three stimulus values X, Y, Z, the chromaticity coordinates y, z, the coordinate values L\, α”, 6\ of the three-dimensional rectangular coordinate system, and the total color difference △E.
4.14 A reflection densitometer is an instrument with a standard light source and switchable red, green, and blue primary color filters to measure the density value of blue or four-color ink prints. The intensity, color deviation, grayscale, and efficiency of the measured ink color can be calculated using formulas as an assessment of the ink color quality. 4.15 Hue error
Also known as hue error, it refers to the deviation of the ink color from the ideal three primary colors measured and calculated by the reflection densitometer.
4.16 Grayness
refers to the ratio of the low density value to the high density value of the ink sample measured by a reflection densitometer, which is used to indicate the relative purity of the ink color. 4.17
Efficiency
refers to the color efficiency of the ink sample measured by a reflection densitometer used to indicate the color efficiency of the ink used in three-color or four-color printing. 4.18 Colour strength
refers to the maximum density value of the ink sample measured by a reflection densitometer, which is used to evaluate the range and depth of color produced after ink overprinting. 4.19 Primary colour
The specific colour used in color matching experiments. Generally, three primary colours are used, and any one of the three primary colours cannot be mixed by adding the other two primary colours. 4.20 Three primary colours In the ink industry, the three chromophores of yellow, magenta and cyan with a certain range of dominant wavelengths are called the three primary colours. 4.20.1 Secondary colours Colour is the intermediate colour formed by mixing any two of the three primary colours. 4.21 Compound colour is the colour formed by mixing two or more colours. 4.22 Complementary colour Any two colours that can be mixed to form achromatic colours are called complementary colours. 4.23 Toptone is the colour shown by a thin layer of ink scraped on a scratch paper. 4.24 Undertone is the colour shown by a scratch paper with a thin layer of ink scraped on it under light. 4.25 Mastone is the colour of a thick layer of ink scraped on a scratch paper. 4.26 Tinctorial strength is the difference in colour concentration between an ink sample and a standard sample. A master standard is a control sample for production control and quality supervision of ink. 4.28 Properties of ink In the ink industry, many properties of ink that reflect printing adaptability are usually referred to as ink properties. For example, the body, leveling, and stringiness of the ink.
4.28.1 Body
refers to the hardness, elasticity, thinness, and elasticity of the ink. 4.28.2 Leveling
refers to the speed of ink leveling and the size of the contact angle after leveling. Stringing
refers to the long, thin threads that form when the ink is pulled up after lightly pressing the ink with the head of a small ink knife. 4.29 Tack
refers to the resistance of a thin layer of ink between two contact surfaces to resist being torn apart. This resistance is generally measured using a tack meter. 4.29.1 Ink-o-meter
refers to an instrument for measuring the resistance of a thin layer of ink to tearing apart, and is used to measure items such as ink viscosity, increasing value of tack and ink flying. 4.30
Increasing value of tack refers to the stability of the relative viscosity of the ink during printing, which is mostly measured by an ink viscosity meter. 4.31 Misting
refers to the phenomenon of ink particles splashing from a running device (printing machine, viscosity meter, etc.). 4.32 Slope
refers to the difference between the spreading diameters of the ink at 100 seconds and 10 seconds measured by a parallel plate viscometer, which is called the slope of the ink characteristic line. 4.32.1 Parallel plate viscosimeter (spread-o-meter) is an instrument that makes the ink flow under pressure between two parallel plates to measure the slope of the ink spreading characteristic line: intercept and flow value.
4.33 Intercept
refers to the difference between the spreading diameter and the slope of the ink at 10 seconds measured by a parallel plate viscometer, which is called the intercept of the ink characteristic line. 4.34
Yield value
refers to the minimum shear stress required for the fluid to start flowing. It is usually measured using a falling rod viscometer. 4.34.1 Fall rod viscosimeter is an instrument that measures the viscosity of the fluid between the rod and the sleeve when sliding with force. It can measure the viscosity and yield value of the ink. 4.35 Thixotropy
refers to the property of a fluid that changes in viscosity due to a force movement (such as stirring) but can be restored when left standing. It is usually measured using a cone and plate rotation viscometer.
4.35.1 Cone and plate viscosimeter is a sensor-type viscosity measuring instrument composed of a rotating vertical cone and a stationary plate. It is mostly used to measure rheological properties of fluids such as viscosity, thixotropy, and service value.
4.36 Viscoelasticity
refers to the comprehensive properties of fluid viscosity and elasticity. 42
4.37Viscosity
GB/T 15962—1995
refers to the force of a fluid resisting its position change when it flows. It is equal to the ratio of shear stress to shear rate, and is often represented by "". 4.38Newtonian fluid
refers to a fluid that can flow under very small external force. The greater the force acting on the fluid, the greater its flow rate, and they are in direct proportion, while its viscosity does not change with changes in shear rate. Plastic fluid
refers to a fluid that does not flow immediately when subjected to external force but begins to flow only when the external force increases to a certain degree. It has the characteristics of yield value and thixotropy.
4.40Pseudoplastic fluid refers to a fluid whose viscosity becomes thinner due to the increase of shear rate under the action of external force. 4.41 Dilatant fluid refers to a fluid whose viscosity increases due to the increase of shear rate under the action of external force, but when left at rest, it can gradually return to its original state of good flow.
Flow property
is the property of ink changing its shape under the action of external force. 4.43
Fluidity
The spreading diameter of ink measured on the fluidity meter is the fluidity of ink. 4.43.1 Spread-o-meter is an instrument that adds a certain amount of ink between two parallel round glass plates and measures the spreading diameter of ink under constant temperature and time conditions.
4.44 Setting
After the ink is printed on the paper, the paper absorbs the thin part of the ink components, and the solid components of the pigment instantly solidify to form an ink film that does not smear the back of the paper.
4.44.1 Printability tester is designed according to the principle of printing equipment. It can set various specific conditions and conduct comprehensive tests on the printing performance of ink. 4.45 Drying
refers to the whole process of the transformation of the ink thin layer into a solid ink film. 4.45.1 Air drying
refers to the process of the transformation of ink (of a certain thickness) into a solid film due to oxidation polymerization. Evaporation drying
refers to the process of solvent-based ink solidifying from a fluid state to a solid film after its solvent evaporates. 4.45.3
Penetration drying
refers to the process of the transformation of ink from a fluid state to a solid state after its liquid component penetrates into the paper. 4.45.4 Ultraviolet curing refers to the process of the transformation of ink from a fluid state to a solid state in an instant under ultraviolet light. 4.45.5 Stoving curing refers to the process of the transformation of ink into a solid state under baking conditions. 4.46 Levelling property refers to the property of ink flowing evenly on the substrate, showing sufficient gloss without pinholes. 4.47 Transparency
refers to the property of ink that it can transmit light and reflect the color of the covered ink. 4.48
Gloss
refers to the degree to which the ink print reflects light in the same direction under light. 43
4.48.1 Glossmeter
GB/T 15962 --1995
is an instrument with a standard light source and a variable angle measuring probe for measuring the gloss of the surface of the measured object. 4.49 Fineness
refers to the degree to which the powdery substances such as pigments and fillers in the ink are ground and dispersed in the binder, expressed in microns. 4.49.1 Grind-o-meter refers to a steel plate with a single or double groove with a trapezoidal depth, which is used to measure the fineness of ink. 4.50 Initial dryness
When solvent-based ink is evaporated and dried using the trapezoidal groove of the scraper fineness meter at a specified temperature, humidity and time, the groove depth at which no transfer mark appears is called the initial dryness of the ink. 4.51 Adhesion
refers to the adhesion of the ink print on the substrate. 4.52 Tape adhesion refers to the degree to which the ink print is not adhered to the surface of the ink print on the non-absorbent substrate after being adhered to the adhesive tape and then peeled off. 4.53 Blocking under warming refers to the degree of adhesion of the gravure plastic ink printed product after it is folded in half and contacted at a specified pressure, temperature and time. 4.54 Toughness after freeze refers to the degree of resistance to rubbing of gravure plastic oil prints at room temperature after being frozen at -30℃ for 24 hours. 4.55 Light fastness
refers to the degree of color change of ink prints after being exposed to sunlight or in an exposure machine for a certain period of time. 4.56 Wax resistance
refers to the color change and color degree of ink prints after being immersed in hot melt paraffin. 4.57 Heat resistance
refers to the degree of color change or fading of ink prints after being baked at a specified time and temperature. 4.58 Rub resistance refers to the degree of damage of ink prints after being rubbed. Steam resistance
refers to the degree of change in adhesion, gloss and color of iron ink prints after being boiled in high-pressure steam. 4.60 Livering
refers to the degree of thickening or agglomeration of ink at a specified temperature and time. 5 Ink impressing trouble refers to the undesirable phenomenon that occurs during the printing process due to ink. 5.1 Mottle
refers to the phenomenon that dark and light tones of spots appear on the substrate after the ink is printed. 5.2 Chalk
refers to the phenomenon that the ink printed on the substrate can still be wiped off after drying. 5.3 Piling
refers to the phenomenon that the ink accumulates on the printing plate, ink roller and rubber cloth during the printing process, so that printing cannot be carried out smoothly. 5.4 Set-off
refers to the phenomenon that the ink solidifies too slowly and contaminates the back of the printed product pressed on it. 5.5 Crystallization
refers to the phenomenon that the ink printed on the substrate is too dry and the surface film is too smooth, so that the subsequent printing oil cannot be printed evenly or cannot be printed at all.
5.6 Stripping
GB/T15962-1995
refers to the phenomenon that part of the ink on the ink roll is replaced by water and does not stick to the ink due to the imbalance of water and ink in the offset printing process.
5.7 Ink retreating from fountain roller refers to the phenomenon that the ink cannot be smoothly transferred on the ink roller during the printing process, resulting in inconsistent ink or no ink at all, resulting in inconsistent and increasingly lighter tones of the printed product. 5.8 Tinting
Also known as ink water, refers to the combination of the components of the lithographic ink with the dampening solution, which makes the non-image area of the printing plate and the printed product slightly light in color.
5.9 Greasing
refers to the poor ink-adding property of the non-image area of the printing plate, resulting in the spread and expansion of the lines and dots of the printed product, and the image is not clear and complete. 5.10 Scumming
refers to the appearance of many ink stains in the non-image and text areas of the printed product. 5.11
Pasting plate
refers to the concentration of paper scraps, ink skin and other granular impurities on the dots of the printing plate due to the overly coarse and sticky ink on the printing press, making the printed product unclear. Strike-through
refers to the penetration of ink on the printed product from the paper surface to the back of the paper, and oil stains often appear on the edge of the print. Bleeding when overprinting5.13
refers to the use of solvent-intolerant ink in printing. When the solvent-based varnish is used for overprinting, there is bleeding around the print and the dots are unclear.
Blocking
refers to the use of slow-drying ink in printing, which causes the printed product to stick together. 5.15
Pinholing
refers to the phenomenon that the ink cannot properly wet the surface of the substrate and small beads of holes appear on the bottom. 5.16
Migration
refers to the phenomenon that the ink on the plastic printed product is transferred to the back or other packaging products, causing them to be contaminated. Image detail disappearing5.17
refers to the phenomenon that the fine dots in the printed product disappear due to insufficient oiliness of the lithographic oil or too acidic dampening water, and too much water supply. 5.18Poor filling
refers to the phenomenon that the fine lines of the printed product are discontinuous and disconnected due to the engraved gravure ink being too thick, too sticky or too thin. 451Spread-o-meter is an instrument that adds a certain amount of ink between two parallel round glass plates and measures the diameter of the ink spread under constant temperature and time conditions.
4.44Setting
After the ink is printed on the paper, the paper absorbs the thin part of the ink components, and the solid components of the pigment solidify instantly to form an ink film that does not smear the back of the paper.
4.44.1Printability tester is an instrument designed according to the principle of printing equipment, which can set various specific conditions and conduct comprehensive tests on the printing performance of ink. 4.45Drying
refers to the whole process of the ink thin layer turning into a solid ink film. 4.45.1Air drying
refers to the process of the ink (of a certain thickness) turning into a solid film due to oxidative polymerization. Evaporation drying
refers to the process of solvent-based ink solidifying from a fluid state to a solid film after its solvent evaporates. 4.45.3
Penetration drying
refers to the process by which the ink changes from a fluid state to a solid state after its liquid component penetrates the paper. 4.45.4 Ultraviolet curing refers to the process by which the ink changes from a fluid state to a solid state in an instant under ultraviolet light. 4.45.5 Stoving curing refers to the process by which the ink changes from a fluid state to a solid state under baking conditions. 4.46 Levelling property refers to the ability of the ink to flow evenly on the substrate, present sufficient gloss and be free of pinholes. 4.47 Transparency
refers to the ability of the ink to transmit light and reflect the color of the ink it covers. 4.48
Gloss
refers to the degree to which the ink print reflects light in the same direction under light. 43
4.48.1 Glossmeter
GB/T 15962 --1995
is an instrument with a standard light source and a variable angle measuring probe for measuring the gloss of the surface of the object being measured. 4.49 Fineness
refers to the degree to which the powdery substances such as pigments and fillers in the ink are ground and dispersed in the binder, expressed in microns. 4.49.1 Grind-o-meter refers to an instrument with a single or double groove steel plate with a trapezoidal depth, used to measure the fineness of the ink. 4.50 Initial dryness
When solvent-based ink is evaporated and dried using the trapezoidal groove of the scraper fineness meter at a specified temperature, humidity and time, the groove depth at which no transfer mark appears is called the initial dryness of the ink. 4.51 Adhesion
refers to the adhesion of the ink mark on the substrate. 4.52 Adhesion fastness refers to the degree to which the adhesive tape remains unadhered when it is peeled off after being adhered to the ink print surface on a non-absorbent substrate. 4.53 Blocking under warming refers to the degree of adhesion of gravure plastic ink prints after they are folded in half and contacted under specified pressure, temperature and time. 4.54 Toughness after freeze refers to the degree of resistance to rubbing of gravure plastic oil prints at room temperature after being frozen at -30℃ for 24 hours. 4.55 Light fastness
refers to the degree of color change of ink prints after being exposed to sunlight or in an exposure machine for a certain period of time. 4.56 Wax resistance
refers to the color change and degree of color of ink prints after being immersed in hot melt paraffin. 4.57 Heat resistance
refers to the degree of discoloration or fading of ink prints after being baked at a specified time and temperature. 4. 58 Rub resistance refers to the degree of damage to the printed product after being rubbed. Steam resistance refers to the degree of change in adhesion, gloss and color of the printed product after being boiled in high-pressure steam. 4.60 Livering refers to the degree of thickening or agglomeration of the ink at a specified temperature and time. 5 Ink impressing trouble refers to the undesirable phenomenon that occurs during the printing process due to ink. 5.1 Mottle refers to the dark and light tones of spots that appear on the substrate after the ink is printed. 5.2 Chalk refers to the phenomenon that the ink printed on the substrate can still be wiped off after drying. 5.3 Piling refers to the phenomenon that the ink accumulates on the printing plate, ink roller and rubber cloth during the printing process, so that printing cannot be carried out smoothly. 5.4 Set-off
refers to the phenomenon that the ink solidifies too slowly and thus contaminates the back of the printed product. 5.5 Crystallization
refers to the phenomenon that the ink printed on the substrate is too dry and the surface film is too smooth, so that the subsequent printing oil cannot be printed evenly or cannot be printed at all.
5.6 Stripping
GB/T15962-1995
refers to the phenomenon that due to the imbalance of water and ink in the offset printing process, part of the ink on the ink roll is replaced by water and does not stick to the ink.
5.7 Ink retreating from fountain roller refers to the phenomenon that the ink cannot be smoothly transferred on the ink roller during the printing process, resulting in inconsistent ink or no ink, resulting in inconsistent and increasingly lighter tones of the printed product. 5.8 Tinting
Also known as ink watering, refers to the combination of the components of lithographic ink with the dampening solution, which makes the non-image area of the printing plate and the printed product slightly light in color.
5.9 Greasing
refers to the poor ink-adding property of the non-image area of the printing plate, so that the lines and dots of the printed product are spread and expanded, and the image is unclear and incomplete. 5.10 Scumming
refers to the appearance of many ink stains in the non-image area of the printed product. 5.11
Pasting plate
refers to the concentration of paper scraps, ink skin and other granular impurities on the dots of the printing plate due to the overly coarse and sticky ink on the printing press, making the printed product unclear. Strike-through
refers to the penetration of ink on the printed product from the paper surface to the back of the paper, and oil stains often appear on the edge of the print. Bleeding when overprinting5.13
refers to the use of solvent-intolerant inks. When overprinting with solvent-based varnish, there is bleeding around the print and the dots are blurred. Blocking
refers to the use of slow-drying inks, which causes the printed products to stick together. 5.15
Pinholing
refers to the phenomenon that the ink cannot properly wet the surface of the substrate and small beads of holes appear on the bottom. 5.16
Migration
refers to the phenomenon that the ink on the plastic printed product is transferred to the back or other packaging products, causing them to be contaminated. Image detail disappearing5.17
refers to the phenomenon that the fine dots in the printed product disappear due to insufficient oiliness of the plate oil or too much acidity of the dampening water, and too much water supply. 5.18 Poor filling
refers to the phenomenon that the fine lines of the printed product are discontinuous or disconnected due to the engraved gravure ink being too thick, too sticky or too thin.1Spread-o-meter is an instrument that adds a certain amount of ink between two parallel round glass plates and measures the diameter of the ink spread under constant temperature and time conditions.
4.44Setting
After the ink is printed on the paper, the paper absorbs the thin part of the ink components, and the solid components of the pigment solidify instantly to form an ink film that does not smear the back of the paper.
4.44.1Printability tester is an instrument designed according to the principle of printing equipment, which can set various specific conditions and conduct comprehensive tests on the printing performance of ink. 4.45Drying
refers to the whole process of the ink thin layer turning into a solid ink film. 4.45.1Air drying
refers to the process of the ink (of a certain thickness) turning into a solid film due to oxidative polymerization. Evaporation drying
refers to the process of solvent-based ink solidifying from a fluid state to a solid film after its solvent evaporates. 4.45.3
Penetration drying
refers to the process by which the ink changes from a fluid state to a solid state after its liquid component penetrates the paper. 4.45.4 Ultraviolet curing refers to the process by which the ink changes from a fluid state to a solid state in an instant under ultraviolet light. 4.45.5 Stoving curing refers to the process by which the ink changes from a fluid state to a solid state under baking conditions. 4.46 Levelling property refers to the ability of the ink to flow evenly on the substrate, present sufficient gloss and be free of pinholes. 4.47 Transparency
refers to the ability of the ink to transmit light and reflect the color of the ink it covers. 4.48
Gloss
refers to the degree to which the ink print reflects light in the same direction under light. 43
4.48.1 Glossmeter
GB/T 15962 --1995
is an instrument with a standard light source and a variable angle measuring probe for measuring the gloss of the surface of the object being measured. 4.49 Fineness
refers to the degree to which the powdery substances such as pigments and fillers in the ink are ground and dispersed in the binder, expressed in microns. 4.49.1 Grind-o-meter refers to an instrument with a single or double groove steel plate with a trapezoidal depth, used to measure the fineness of the ink. 4.50 Initial dryness
When solvent-based ink is evaporated and dried using the trapezoidal groove of the scraper fineness meter at a specified temperature, humidity and time, the groove depth at which no transfer mark appears is called the initial dryness of the ink. 4.51 Adhesion
refers to the adhesion of the ink mark on the substrate. 4.52 Adhesion fastness refers to the degree to which the adhesive tape remains unadhered when it is peeled off after being adhered to the ink print surface on a non-absorbent substrate. 4.53 Blocking under warming refers to the degree of adhesion of gravure plastic ink prints after they are folded in half and contacted under specified pressure, temperature and time. 4.54 Toughness after freeze refers to the degree of resistance to rubbing of gravure plastic oil prints at room temperature after being frozen at -30℃ for 24 hours. 4.55 Light fastness
refers to the degree of color change of ink prints after being exposed to sunlight or in an exposure machine for a certain period of time. 4.56 Wax resistance
refers to the color change and degree of color of ink prints after being immersed in hot melt paraffin. 4.57 Heat resistance
refers to the degree of discoloration or fading of ink prints after being baked at a specified time and temperature. 4. 58 Rub resistance refers to the degree of damage to the printed product after being rubbed. Steam resistance refers to the degree of change in adhesion, gloss and color of the printed product after being boiled in high-pressure steam. 4.60 Livering refers to the degree of thickening or agglomeration of the ink at a specified temperature and time. 5 Ink impressing trouble refers to the undesirable phenomenon that occurs during the printing process due to ink. 5.1 Mottle refers to the dark and light tones of spots that appear on the substrate after the ink is printed. 5.2 Chalk refers to the phenomenon that the ink printed on the substrate can still be wiped off after drying. 5.3 Piling refers to the phenomenon that the ink accumulates on the printing plate, ink roller and rubber cloth during the printing process, so that printing cannot be carried out smoothly. 5.4 Set-off
refers to the phenomenon that the ink solidifies too slowly and thus contaminates the back of the printed product. 5.5 Crystallization
refers to the phenomenon that the ink printed on the substrate is too dry and the surface film is too smooth, so that the subsequent printing oil cannot be printed evenly or cannot be printed at all.
5.6 Stripping
GB/T15962-1995
refers to the phenomenon that due to the imbalance of water and ink in the offset printing process, part of the ink on the ink roll is replaced by water and does not stick to the ink.
5.7 Ink retreating from fountain roller refers to the phenomenon that the ink cannot be smoothly transferred on the ink roller during the printing process, resulting in inconsistent ink or no ink, resulting in inconsistent and increasingly lighter tones of the printed product. 5.8 Tinting
Also known as ink watering, refers to the combination of the components of lithographic ink with the dampening solution, which makes the non-image area of the printing plate and the printed product slightly light in color.
5.9 Greasing
refers to the poor ink-adding property of the non-image area of the printing plate, so that the lines and dots of the printed product are spread and expanded, and the image is unclear and incomplete. 5.10 Scumming
refers to the appearance of many ink stains in the non-image area of the printed product. 5.11
Pasting plate
refers to the concentration of paper scraps, ink skin and other granular impurities on the dots of the printing plate due to the overly coarse and sticky ink on the printing press, making the printed product unclear. Strike-through
refers to the penetration of ink on the printed product from the paper surface to the back of the paper, and oil stains often appear on the edge of the print. Bleeding when overprinting5.13
refers to the use of solvent-intolerant inks. When overprinting with solvent-based varnish, there is bleeding around the print and the dots are blurred. Blocking
refers to the use of slow-drying inks, which causes the printed products to stick together. 5.15
Pinholing
refers to the phenomenon that the ink cannot properly wet the surface of the substrate and small beads of holes appear on the bottom. 5.16
Migration
refers to the phenomenon that the ink on the plastic printed product is transferred to the back or other packaging products, causing them to be contaminated. Image detail disappearing5.17
refers to the phenomenon that the fine dots in the printed product disappear due to insufficient oiliness of the lithographic oil or too much acidity of the dampening water, and too much water supply. 5.18 Poor filling
refers to the phenomenon that the fine lines of the printed product are discontinuous or disconnected due to the engraved gravure ink being too thick, too sticky or too thin.3
Penetration drying
refers to the process in which the ink changes from a fluid state to a solid state after its liquid component penetrates the paper. 4.45.4Ultraviolet curing refers to the process in which the ink changes from a fluid state to a solid state in an instant under ultraviolet light. 4.45.5Stoving curing refers to the process in which the ink changes to a solid state under baking conditions. 4.46Leveling property refers to the ability of the ink to flow evenly on the substrate, showing sufficient gloss without pinholes. 4.47Transparence
refers to the ability of the ink to transmit light and reflect the color of the covered ink. 4.48
Gloss
refers to the degree to which the ink print reflects light in the same direction under light. 43
4.48.1 Glossmeter
GB/T 15962 --1995
is an instrument with a standard light source and a variable angle measuring probe for measuring the gloss of the surface of the object being measured. 4.49 Fineness
refers to the degree to which the powdery substances such as pigments and fillers in the ink are ground and dispersed in the binder, expressed in microns. 4.49.1 Grind-o-meter refers to an instrument with a single or double groove steel plate with a trapezoidal depth, used to measure the fineness of the ink. 4.50 Initial dryness
When solvent-based ink is evaporated and dried using the trapezoidal groove of the scraper fineness meter at a specified temperature, humidity and time, the groove depth at which no transfer mark appears is called the initial dryness of the ink. 4.51 Adhesion
refers to the adhesion of the ink mark on the substrate. 4.52 Adhesion fastness refers to the degree to which the adhesive tape remains unadhered when it is peeled off after being adhered to the ink print surface on a non-absorbent substrate. 4.53 Blocking under warming refers to the degree of adhesion of gravure plastic ink prints after they are folded in half and contacted under specified pressure, temperature and time. 4.54 Toughness after freeze refers to the degree of resistance to rubbing of gravure plastic oil prints at room temperature after being frozen at -30℃ for 24 hours. 4.55 Light fastness
refers to the degree of color change of ink prints after being exposed to sunlight or in an exposure machine for a certain period of time. 4.56 Wax resistance
refers to the color change and degree of color of ink prints after being immersed in hot melt paraffin. 4.57 Heat resistance
refers to the degree of discoloration or fading of ink prints after being baked at a specified time and temperature. 4. 58 Rub resistance refers to the degree of damage to the printed product after being rubbed. Steam resistance refers to the degree of change in adhesion, gloss and color of the printed product after being boiled in high-pressure steam. 4.60 Livering refers to the degree of thickening or agglomeration of the ink at a specified temperature and time. 5 Ink impressing trouble refers to the undesirable phenomenon that occurs during the printing process due to ink. 5.1 Mottle refers to the dark and light tones of spots that appear on the substrate after the ink is printed. 5.2 Chalk refers to the phenomenon that the ink printed on the substrate can still be wiped off after drying. 5.3 Piling refers to the phenomenon that the ink accumulates on the printing plate, ink roller and rubber cloth during the printing process, so that printing cannot be carried out smoothly. 5.4 Set-off
refers to the phenomenon that the ink solidifies too slowly and thus contaminates the back of the printed product. 5.5 Crystallization
refers to the phenomenon that the ink printed on the substrate is too dry and the surface film is too smooth, so that the subsequent printing oil cannot be printed evenly or cannot be printed at all.
5.6 Stripping
GB/T15962-1995
refers to the phenomenon that due to the imbalance of water and ink in the offset printing process, part of the ink on the ink roll is replaced by water and does not stick to the ink.
5.7 Ink retreating from fountain roller refers to the phenomenon that the ink cannot be smoothly transferred on the ink roller during the printing process, resulting in inconsistent ink or no ink, resulting in inconsistent and increasingly lighter tones of the printed product. 5.8 Tinting
Also known as ink watering, refers to the combination of the components of lithographic ink with the dampening solution, which makes the non-image area of the printing plate and the printed product slightly light in color.
5.9 Greasing
refers to the poor ink-adding property of the non-image area of the printing plate, so that the lines and dots of the printed product are spread and expanded, and the image is unclear and incomplete. 5.10 Scumming
refers to the appearance of many ink stains in the non-image area of the printed product. 5.11
Pasting plate
refers to the concentration of paper scraps, ink skin and other granular impurities on the dots of the printing plate due to the overly coarse and sticky ink on the printing press, making the printed product unclear. Strike-through
refers to the penetration of ink on the printed product from the paper surface to the back of the paper, and oil stains often appear on the edge of the print. Bleeding when overprinting5.13
refers to the use of solvent-intolerant inks. When overprinting with solvent-based varnish, there is bleeding around the print and the dots are blurred. Blocking
refers to the use of slow-drying inks, which causes the printed products to stick together. 5.15
Pinholing
refers to the phenomenon that the ink cannot properly wet the surface of the substrate and small beads of holes appear on the bottom. 5.16
Migration
refers to the phenomenon that the ink on the plastic printed product is transferred to the back or other packaging products, causing them to be contaminated. Image detail disappearing5.17
refers to the phenomenon that the fine dots in the printed product disappear due to insufficient oiliness of the plate oil or too much acidity of the dampening water, and too much water supply. 5.18 Poor filling
refers to the phenomenon that the fine lines of the printed product are discontinuous or disconnected due to the engraved gravure ink being too thick, too sticky or too thin.3
Penetration drying
refers to the process in which the ink changes from a fluid state to a solid state after its liquid component penetrates the paper. 4.45.4Ultraviolet curing refers to the process in which the ink changes from a fluid state to a solid state in an instant under ultraviolet light. 4.45.5Stoving curing refers to the process in which the ink changes to a solid state under baking conditions. 4.46Leveling property refers to the ability of the ink to flow evenly on the substrate, showing sufficient gloss without pinholes. 4.47Transparence
refers to the ability of the ink to transmit light and reflect the color of the covered ink. 4.48
Gloss
refers to the degree to which the ink print reflects light in the same direction under light. 43
4.48.1 Glossmeter
GB/T 15962 --1995
is an instrument with a standard light source and a variable angle measuring probe for measuring the gloss of the surface of the object being measured. 4.49 Fineness
refers to the degree to which the powdery substances such as pigments and fillers in the ink are ground and dispersed in the binder, expressed in microns. 4.49.1 Grind-o-meter refers to an instrument with a single or double groove steel plate with a trapezoidal depth, used to measure the fineness of the ink. 4.50 Initial dryness
When solvent-based ink is evaporated and dried using the trapezoidal groove of the scraper fineness meter at a specified temperature, humidity and time, the groove depth at which no transfer mark appears is called the initial dryness of the ink. 4.51 Adhesion
refers to the adhesion of the ink mark on the substrate. 4.52 Adhesion fastness refers to the degree to which the adhesive tape remains unadhered when it is peeled off after being adhered to the ink print surface on a non-absorbent substrate. 4.53 Blocking under warming refers to the degree of adhesion of gravure plastic ink prints after they are folded in half and contacted under specified pressure, temperature and time. 4.54 Toughness after freeze refers to the degree of resistance to rubbing of gravure plastic oil prints at room temperature after being frozen at -30℃ for 24 hours. 4.55 Light fastness
refers to the degree of color change of ink prints after being exposed to sunlight or in an exposure machine for a certain period of time. 4.56 Wax resistance
refers to the color change and degree of color of ink prints after being immersed in hot melt paraffin. 4.57 Heat resistance
refers to the degree of discoloration or fading of ink prints after being baked at a specified time and temperature. 4. 58 Rub resistance refers to the degree of damage to the printed product after being rubbed. Steam resistance refers to the degree of change in adhesion, gloss and color of the printed product after being boiled in high-pressure steam. 4.60 Livering refers to the degree of thickening or agglomeration of the ink at a specified temperature and time. 5 Ink impressing trouble refers to the undesirable phenomenon that occurs during the printing process due to ink. 5.1 Mottle refers to the dark and light tones of spots that appear on the substrate after the ink is printed. 5.2 Chalk refers to the phenomenon that the ink printed on the substrate can still be wiped off after drying. 5.3 Piling refers to the phenomenon that the ink accumulates on the printing plate, ink roller and rubber cloth during the printing process, so that printing cannot be carried out smoothly. 5.4 Set-off
refers to the phenomenon that the ink solidifies too slowly and thus contaminates the back of the printed product. 5.5 Crystallization
refers to the phenomenon that the ink printed on the substrate is too dry and the surface film is too smooth, so that the subsequent printing oil cannot be printed evenly or cannot be printed at all.
5.6 Stripping
GB/T15962-1995
refers to the phenomenon that due to the imbalance of water and ink in the offset printing process, part of the ink on the ink roll is replaced by water and does not stick to the ink.
5.7 Ink retreating from fountain roller refers to the phenomenon that the ink cannot be smoothly transferred on the ink roller during the printing process, resulting in inconsistent ink or no ink, resulting in inconsistent and increasingly lighter tones of the printed product. 5.8 Tinting
Also known as ink watering, refers to the combination of the components of lithographic ink with the dampening solution, which makes the non-image area of the printing plate and the printed product slightly light in color.
5.9 Greasing
refers to the poor ink-adding property of the non-image area of the printing plate, so that the lines and dots of the printed product are spread and expanded, and the image is unclear and incomplete. 5.10 Scumming
refers to the appearance of many ink stains in the non-image area of the printed product. 5.11
Pasting platebzxZ.net
refers to the concentration of paper scraps, ink skin and other granular impurities on the dots of the printing plate due to the overly coarse and sticky ink on the printing press, making the printed product unclear. Strike-through
refers to the penetration of ink on the printed product from the paper surface to the back of the paper, and oil stains often appear on the edge of the print. Bleeding when overprinting5.13
refers to the use of solvent-intolerant inks. When overprinting with solvent-based varnish, there is bleeding around the print and the dots are blurred. Blocking
refers to the use of slow-drying inks, which causes the printed products to stick together. 5.15
Pinholing
refers to the phenomenon that the ink cannot properly wet the surface of the substrate and small beads of holes appear on the bottom. 5.16
Migration
refers to the phenomenon that the ink on the plastic printed product is transferred to the back or other packaging products, causing them to be contaminated. Image detail disappearing5.17
refers to the phenomenon that the fine dots in the printed product disappear due to insufficient oiliness of the plate oil or too much acidity of the dampening water, and too much water supply. 5.18 Poor filling
refers to the phenomenon that the fine lines of the printed product are discontinuous or disconnected due to the engraved gravure ink being too thick, too sticky or too thin.52 Adhesion fastness refers to the degree to which the adhesive tape remains unadhered when it is peeled off after being adhered to the ink print surface on a non-absorbent substrate. 4.53 Blocking under warming refers to the degree of adhesion of gravure plastic ink prints after they are folded in half and contacted under specified pressure, temperature and time. 4.54 Toughness after freeze refers to the degree of resistance to rubbing of gravure plastic oil prints at room temperature after being frozen at -30℃ for 24 hours. 4.55 Light fastness
refers to the degree of color change of ink prints after being exposed to sunlight or in an exposure machine for a certain period of time. 4.56 Wax resistance
refers to the color change and degree of color of ink prints after being immersed in hot melt paraffin. 4.57 Heat resistance
refers to the degree of discoloration or fading of ink prints after being baked at a specified time and temperature. 4. 58 Rub resistance refers to the degree of damage to the printed product after being rubbed. Steam resistance refers to the degree of change in adhesion, gloss and color of the printed product after being boiled in high-pressure steam. 4.60 Livering refers to the degree of thickening or agglomeration of the ink at a specified temperature and time. 5 Ink impressing trouble refers to the undesirable phenomenon that occurs during the printing process due to ink. 5.1 Mottle refers to the dark and light tones of spots that appear on the substrate after the ink is printed. 5.2 Chalk refers to the phenomenon that the ink printed on the substrate can still be wiped off after drying. 5.3 Piling refers to the phenomenon that the ink accumulates on the printing plate, ink roller and rubber cloth during the printing process, so that printing cannot be carried out smoothly. 5.4 Set-off
refers to the phenomenon that the ink solidifies too slowly and thus contaminates the back of the printed product. 5.5 Crystallization
refers
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