This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. of flexographic printing. This standard applies to printed products on plastic, paper, sales packaging corrugated paper boxes and transportation packaging corrugated paper boxes with flexographic printing. GB/T 17497-1998 Flexographic printing GB/T17497-1998 Standard download decompression password: www.bzxz.net
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. of flexographic printing. This standard applies to printed products on plastic, paper, sales packaging corrugated paper boxes and transportation packaging corrugated paper boxes with flexographic printing.

CB/T17497-1998
The formulation of various indicators, parameters and other contents of this standard is based on my country's national conditions, industry surveys, collection of various types of case printing samples, statistical analysis of test data, and reference to ISO12647IS0/TC130 provided by the American Flexographic Technology Association (FTA) and the recommended materials for flexographic plastic printing by the American Flexible Packaging Association in August 1989. This standard is proposed by China Packaging Corporation. This standard is under the jurisdiction of the National Packaging Standardization Technical Committee. The responsible drafting units of this standard are: China Packaging Technology Association, China Packaging Technology Association Packaging Printing Committee, China Printing Technology Association Flexographic Printing Technical Committee, Shanghai Printing Technology Research Institute. The main drafters are Liu Xiaomei, Zheng Luotian, Zou Siqi, Wu Liying, and Mu Chengji. 1 Scope
National Standard of the People's Republic of China
Flexographic Decorative Printing
Decorallve producis by fiexo printingGB/T17497—1998
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. of flexographic decorative printing. This standard applies to the printing products of plastic, paper, sales packaging corrugated paper boxes and transportation packaging corrugated paper boxes printed with flexographic decorative printing. 2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standard departments will be revised. The parties using this standard should explore the possibility of using the latest version of the following standards. CY/T5—1991 Quality requirements and inspection methods for planographic printed products GB/T7705-1987 New planographic decorative printed products
GB/T7706-1987 Publishing decorative printed products
GB/T7707—1987 Call plate decorative printed products 3 Classification and terminology
3.1 Classification
3.1.1 According to the printing material, it can be divided into soft brown paper printed products, flexible plastic printed products, flexible sales packaging corrugated paper box printed products and flexible transportation packaging corrugated paper box printed products.
3.1.2 According to the quality of printed products, it can be divided into fine products and general products. 3.2 Terms
3.2.1 Flexographic Decorative Prints
Printed products printed with resin plates and rubber plates as substrates, anilox rollers to transfer ink, and liquid inks. 3.2.2 Flexographic Fine Prints
Fine products of various printed products are high-grade flexographic printed products produced with high-quality printing materials and fine plate-making technology, and the quality meets the various indicators of fine products.
3.2.3 Flexographic General Prints
General products of various printed products are other flexographic printed products except fine product leather transportation packaging corrugated paper box printed products. 4 Requirements
Refer to 2.1 of GB/T7705, 2.1 of GR/T7706, and part of 1.1 of GB/T7707. 4.1 Appearance
4.1.1 The printed product is neat and tidy without obvious dirt or incompleteness. 4.1.2 The text is printed clearly and completely, without missing strokes or broken lines. The meaning of the characters will not be misunderstood if the size is less than 5. 4.1.3 Obvious stripes are not allowed. No blur: Approved by the State Administration of Quality and Technical Supervision on September 29, 1998, and implemented on April 1, 1999
GB/T 17497—1998
4.1.4 The color of the drawing is bright; the layout is even and tidy: the dots are clear and complete, and there is no obvious difference from the original. Note: The appearance of this standard refers to the appearance of paper printed products, plastic printed products, sales packaging corrugated carton printed products and transportation packaging corrugated carton printed products printed by flexographic printing.
4.2 Solid density
The solid reflection density values ​​of the difficult color layer printing plate of this standard are shown in Table 1.1
Solid density Product classification
Superimposed color
Additive color
4.3 Printing ink layer bonding fastness and abrasion resistance Paper printed products
1.00--1.20
1.30 ~1.60
1. 40~1. 80bzxz.net
0. 80~1.10
1.10~1,40
1.20~1.50
1. 20--1. 60
4.3.1 The requirements for the bonding fastness of the printed layer of plastic printed products shall comply with GB/T 4.3.2 The requirements for the wear resistance of the ink layer of paper and carton printed products shall comply with the requirements for the wear resistance of the ink layer of GB/T 7706, Article 2.1, Table 5. 4.4 Overprint accuracy
The image outline is clear, and the overprint tolerance is in accordance with the requirements of Table 2. Table 2
Paper printed products
Fine printed products,
General printed products, core
4.5 Color difference of the same color in the same batch
Main part: 0.2
Key part: 0.3
Secondary part: 0.5
Plastic printed products
1.00~1.20
1.20~1.50
1. 30~~ 1. 61
1. 40--1. 80
0. 80~1. 10
1.101. 40
1. 20~1. 50
1. 20--1. 60
Plastic printed matter
Main part: 0.2
Secondary part: 0.3
Main part: 0.3
Secondary part: 0.5
Sales packaging carton printed matter
:.00--1.20
::20~-1.50
-. 30~-1.69
-. 40~1. 80
C, 80--1. 10
F: 10~1. 40
1. 20~1. 50
1.20-~1, 60
Carton printing
Paper, materials, sales packaging corrugated paper printing products of the same batch and the same color color difference should comply with the provisions of G tire/7705, 2.4, Table 5. 4.6 Dot gain value
The dots are clear, the angle is correct, there is no ghosting, and the dot gain value of 70% complies with the provisions of Table 3. Table 3
Product classification
Product level
Fine printed matter,
General printed matter,
Paper printed matter
Plastic printed matter
Sales packaging carton printed matter
5 Test method
5.1 Test environment
GB/T 174971998
5.1.1 Test temperature is 25°C±5°C, relative humidity is 60%±5%, 5.1.2 Sample pretreatment: in accordance with 3.1.2 of GB/T 7705. 5.1.3 Light source: in accordance with 3.1.3 of GB/T7705. 5.2 Test equipment
5.2.1 Radiation densitometer and measurement and control strip.
5.2.2 Ruler (accuracy is 0.1 mm).
5.2.3 For routine inspection, use a magnifying glass with a magnification of 10 times or more, and for quantitative inspection, use a reading magnifying glass with a magnification of 30~5u times. 5.2.4 Colorimeter.
5.2.5 Disc off the machine.
5.2.6 Paper abrasion tester
5.3 Sampling method
5.3.1 Random sampling.
5.3.2 Take samples of the products after drying.
5.4 Test methods
5.4.1 Appearance
Conform to the method in 3.2 of GB/T 7705.
5.4.2 Solid density
Measure the solid density value with a reflection densitometer; with the corresponding measuring and controlling strips, measure the image density contrast and the dot gain value. 5.4.3 Bonding fastness and abrasion resistance of printing ink layer 5.4.3.1 The bonding fastness of printing ink layer of plastic printed products conforms to the method in 2.7 of GB/T 7707. 5.4.3.2 The abrasion resistance of the printing layer of paper, carton and other printed products conforms to the method in 3.8 of GB/T 7706.
5.4.4 Registration accuracy
Conforms to 3.4 of GB:17/05 and 2.3 of GB/T 7706, 5.4.5 Color difference
Conforms to 3.6 of GB/T 7705 and 3.6 of GB/T 7707 5.4.6 Dot gain
Measurement of dot gain by reflection densitometer and control strip conforms to 5.3 of CY/T 5.5. 6. Inspection rules
shall comply with the provisions of 43 in GB/T7705/4 in I7706. 7. Marking, packaging, transportation and storage
shall comply with the provisions of 5 in GB/T7706 and 4 in B/I7707.
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