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  2. GB/T 40262-2021 in English
GB/T 40262-2021 in English

GB/T 40262-2021 in English

VALID

Metal coating fabric—Determination of metal layer adhesive force—Tape method

  • Issued on:2021-05-21
  • Implemented on:2021-12-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD)： $180.00
$175.00

《GB/T 40262-2021金属镀膜织物 金属层结合力的测定 胶带法》由TC209（全国纺织品标准化技术委员会）归口，TC209SC7（全国纺织品标准化技术委员会产业用纺织品分会）执行，主管部门为中国纺织工业联合会。


Introduction

Interpretation of the core content of the standard

This standard specifies the technical specifications for determining the bonding strength of the metal layer of metal-coated fabrics using two methods: friction color fastness tester and manual pressure roller. It is applicable to various types of metallized functional fabrics treated by physical or chemical methods.

Comparison of key technical indicators

Parameters Friction color fastness tester method Manual roller method
Pressure method Mechanical automatic (9±0.2)N Manual rolling (2000±100)g
Number of tests 25 reciprocating times 10 reciprocating times
Applicable scenarios Precise laboratory test Rapid on-site detection

Key points for the implementation of the standard

Specifications for sample preparation

Special attention should be paid to the following:

  • The sampling position should be ≥100mm
  • The adhesive force of the tape should be strictly controlled at 6-10N/25mm²
  • The ambient temperature and humidity must comply with (23±5)℃/45-65%RH

Key points for grade assessment

The 5-grade classification of bonding strength is based on the:

  1. Distribution form (flake/dot)
  2. Degree of density
  3. Area proportion
The final result is the lowest grade among the 6 samples.

Industry application suggestions

In the quality control of electromagnetic shielding fabrics, protective clothing and other fields:

  • It is recommended to use the friction fastness tester method in the new product development stage
  • The easy-to-operate manual roller method can be used for production line sampling
  • For fabrics with coating thickness > 500nm, the test frequency should be increased

More samples: GB 50021-2001(2009) YD/T 3934-2021 DL/T 368-2010
Sample only — not a preview of GB/T 40262-2021
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