This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of polyvinyl chloride (PVC) pressure-sensitive adhesive tapes for electrical insulation. This standard applies to insulating polyvinyl chloride film as the base material, with pressure-sensitive adhesive evenly coated on one side to form a roll of adhesive tape. QB/T 2423-1998 Polyvinyl chloride (PVC) electrical insulation pressure-sensitive adhesive tape QB/T2423-1998 Standard download decompression password: www.bzxz.net
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of polyvinyl chloride (PVC) pressure-sensitive adhesive tapes for electrical insulation. This standard applies to insulating polyvinyl chloride film as the base material, with pressure-sensitive adhesive evenly coated on one side to form a roll of adhesive tape.

Classification number A82
Light Industry Industry Standard of the People's Republic of China
QB/T2423-98
Polyvinyl chloride (PVC)
Electrical insulation pressure-sensitive adhesive tape
Published on December 28, 1998
State Bureau of Light Industry
Implementation on July 1, 1999
QB/T2423-98
The main technical requirements of this standard refer to the Japanese Industrial Standard JIS C2336-1991 "Polyvinyl fluoride pressure-sensitive adhesive tape for electrical insulation". According to the actual situation of Chinese enterprises, the test method adopts the relevant national standards of my country, and detailed provisions are made on product classification, tape specifications and dimensions, and inspection rules. This standard is proposed by the Industry Management Department of the State Bureau of Light Industry. This standard is under the jurisdiction of the National Light Industry Packaging Standardization Center and is responsible for interpretation. The responsible drafting unit of this standard: Shanghai Huiqun Chemical Co., Ltd. The drafting units of this standard are: Tianjin Shuang'an Protective Products Co., Ltd., Shanghai Fujing Adhesive Tape Co., Ltd., and Beijing Wenti Department Store Industry Union Adhesive Factory. The main drafters of this standard are: Zhou Dongliang, Luo Shaojie, Zhai Dexing, and Qin Huiying. 1 Scope
Light Industry Standard of the People's Republic of China
Polyvinyl chloride (PVC)
Electrical insulation pressure-sensitive adhesive tape
QB/T2423-98
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation, and storage of polyvinyl chloride (PVC) pressure-sensitive adhesive tape for electrical insulation. This standard is applicable to insulating polyvinyl chloride film as the base material, and the pressure-sensitive adhesive is evenly coated on one side to form a roll adhesive tape. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. At the time of publication of this standard: the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards.
GB2792-81 Determination method for 180° peel strength of pressure-sensitive adhesive tape GB7125-86 Determination method for thickness of pressure-sensitive adhesive tape Eddy current method GB7752-87 Test method for power frequency breakdown strength of insulating adhesive tape GB7753-87 Test method for tensile properties of pressure-sensitive adhesive tape HG4-155-184 Test method for flame retardancy of adhesive tape GB/T1692-92 Determination of insulation resistivity of vulcanized rubber GB/T14517-93
Test method for power frequency withstand voltage of insulating adhesive tape 3 Product classification
3.1 Type
Polyvinyl chloride insulating tape for electrical insulation is divided into two categories: polyvinyl chloride (PVC) non-flame retardant pressure-sensitive adhesive tape and polyvinyl chloride (PVC) flame retardant pressure-sensitive adhesive tapewwW.bzxz.Net
3.2 Color
The tape is available in 8 colors: black, white, blue, green, yellow, red, gray and transparent. 3.3 Marking
Polyvinyl nitride pressure-sensitive adhesive tape for electrical insulation is indicated by the code PVC insulation adhesive tape. Example: PVC insulation adhesive tape
Approved by the State Bureau of Light Industry on December 28, 1998
38X0.13×18X10
Specifications (core inner diameter 38mm, thickness 0.13mm width 18mm, length 10m)
Product name code
Implementation on July 1, 1999
QB/T2423-98
Note: PVC flame-retardant insulation pressure-sensitive adhesive tape is indicated by the code PVC flame-retardant adhesive tape, and the other examples are the same as PVC insulation pressure-sensitive adhesive tape. 4 Technical requirements
4.1 Specifications
Specifications should comply with the provisions of Table 1.
Basic size
Limit deviation
Basic size
Limit deviation
Inner diameter of the core
Basic size
Limit deviation
After unwinding, the film surface of the adhesive tape is flat, the color is uniform, and the two sides are flat. Damage to the substrate or tearing is not allowed. There are no defects such as creases, depressions, impurities, significant gaps, deformations, etc., no glue seepage on the end surface, and no adhesive migration on the back of the next layer of substrate. The adhesive surface is glued together without debonding, and individual spots are allowed. Only one joint is allowed per roll, and the length of each section is not less than 2m. 4.3 Physical indicators
The physical indicators of the adhesive tape shall comply with the provisions of Table 2. Table 2
180° residual strength
Tensile strength
Elongation at break
Breakdown strength
Withstand voltage
Volume resistivity
N/10mm
N/10mm
5kv1min
Breakdown strength and withstand voltage performance, one of the two indicators can be selected. PVC flame retardant insulating adhesive tape, flame retardant performance (grade) first level, test method
5.1 Test conditions
≥100
No breakdown
≥1×1012
Except for appearance items, all inspections should be carried out at (23±2)℃ and relative humidity of 60%~70%, and the sample should be placed in this state for more than 2h.
5.2 Sampling method
Under the conditions specified in 5.1, remove the outer three turns of the tape roll and cut the samples according to the sample specifications and quantity required in each test.
5.3 Specifications and dimensions
5.3.1 Width
Use a vernier caliper to measure three locations on the adhesive tape at roughly equal intervals and calculate the arithmetic mean. 5.3.2 Length
Pull the adhesive tape apart and let it stand for 10 minutes. Then use a steel tape measure with a minimum graduation value of 1cm to measure the entire length. 5.3.3 Thickness
Perform in accordance with the provisions of GB7125.
5.3.4 Inner diameter of the core
Use a vernier caliper to measure three locations on the inner diameter of the core tape at roughly equal intervals and calculate the arithmetic mean. 5.4 Appearance
5.4.1 Appearance is checked by visual inspection and touch.
5.4.2 Unwind the adhesive tape at a speed of about 300mm/s and check whether the substrate is torn or has debonding or lack of glue. 5.5180° peel strength
Measured in accordance with GB2792.
5.6 Tensile strength
Measured in accordance with GB7753.
5.7 Elongation at break
Measured in accordance with GB7753.
5.8 Breakdown strength
Measured in accordance with GB7752.
5.9 Withstand voltage test
Measured in accordance with GB/T14517.
5.10 Volume resistivity
Measured in accordance with GB16 (.
5.11 Flame retardant properties
Measured in accordance with HG4-1551.
6 Inspection rules
6.1 Products must be inspected and qualified by the quality inspection department of the manufacturer according to the items specified in this standard, and the certificate of conformity must be issued before they can leave the factory. 6.2 Sampling and judgment rules
6.2.1 Batching and sampling
The same batch of materials, the same specifications, and the same color are considered as a batch, and each batch is limited to 15,000 rolls. At least 3 boxes are randomly selected from each batch of products, and at least 3 rolls are randomly selected from each box (a total of 9 rolls) for the appearance and width inspection of the entire roll. Among them, 2 rolls are inspected for length, thickness, unwinding appearance, and physical properties.6 .2.2 Judgment rules
a) During the dimension inspection, when the number of unqualified rolls exceeds 10% of the total number of rolls, it is allowed to take double samples from the batch of products to re-inspect the unqualified items. If more than 10% of the sample rolls are unqualified, the batch of products is unqualified: b) During the appearance inspection, when the number of sample rolls that do not meet this standard exceeds 10% of the total number of rolls, it is allowed to take double samples from the batch of products to re-inspect the unqualified items. If 10% of the sample rolls do not meet the provisions of this standard, the batch of products is unqualified;
c) During the physical performance inspection, if any item of one roll does not meet the provisions of this standard, it is allowed to take double samples to re-inspect the item. If there is still one roll that does not meet the provisions of this standard, the batch of products is unqualified. 3
6.3 Acceptance and arbitration
The user has the right to request the quality of the product to be accepted in accordance with this standard. When the user has objections to the product quality, the quality supervision agency agreed by both parties shall conduct arbitration in accordance with this standard. 7 Marking, packaging, transportation, compensation and storage
7.1 Marking
7.1.1 The inner packaging of the product shall have the following signs: a)
Registered trademark;
Manufacturer name.
Each box of adhesive tape shall have the following signs:
Registered trademark;
Manufacturer name and address;
Adhesive tape mark, product quality grade;
Quantity, weight;
Production date or production batch number;
Anti-pressure, moisture-proof, anti-sun and other signs;
Storage period;
h) Implementation standard number.
7.2 Packaging
7.2.1 Inner packaging
Each roll shall be packed with transparent plastic film.
7.2.2 Outer packaging
The product packaging shall be made of corrugated paper boxes, with isolation paper between the upper and lower layers, and the packing list and certificate of conformity shall be attached. Special packaging types and packing requirements shall be in accordance with the provisions of the supply contract. 7.3 Transportation
The product should be handled with care during transportation to prevent squeezing and should not be mixed with volatile solvents. 7.4 Storage
7.4.1 The product should be stored in a warehouse with a temperature of -5℃～35℃ and a relative humidity below 80% without the presence of volatile solvents. Avoid direct sunlight and high temperature radiation. 7.4.2 The product should be stored at least 200mm from the ground and 500mm from the inner wall of the warehouse, and should be neatly stacked. The stacking height should not exceed 10 boxes.
7.4.3 The product shelf life is 1 year from the date of production.
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