Scope

This document specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of polyurethane release transfer sofa fabrics This document is applicable to sofa fabrics produced using polyurethane release transfer technology using textile fabrics as the substrate

Normative References

The contents of the following documents constitute essential provisions of this document through normative references in the text.

. Among them, for dated references, only the version corresponding to that date is applicable to this document; For undated references, the latest version (including all modification orders) applies to this document

GB/T 250 Textiles - Grey Sample Card for Evaluating Discoloration in Color Fastness Tests

GB/T 2828.1-2012 Sampling and Inspection Procedures by Attribute, Part 1: Sampling Plan for Batch Inspection Retrieved by Acceptance Quality Limit (AQL)

GB/T 2912.1 Textiles, Determination of Formaldehyde, Part 1: Free and Hydrolyzed Formaldehyde (Water Extraction Method)

GB/T 3917.3 Textiles - Tearing Performance of Fabrics - Part 3: Determination of Tearing Strength of Trapezoidal Specimens

GB/T 3920 Textiles - Tests for Color Fastness to Rubbing

GB/T 3922 Textiles - Tests for Color Fastness to Sweat

GB/T 3923.1 Textiles - Tensile Properties of Fabrics - Part 1: Determination of Breaking Strength and Elongation at Break (Strip Method)

GB/T 4666 Textiles - Determination of length and width of fabrics

GB/T 4669 Textiles - Determination of mass per unit length and mass per unit area of woven fabrics

GB/T 4745- Testing and evaluation of waterproof properties of textiles - Water immersion method

GB/T 4802.2 Textiles - Determination of pilling and pilling properties of fabrics - Part 2: Modified Martindale method

GB/T 5453- Determination of air permeability of textiles -

GB/T 5713 Textiles Color fastness test for textiles - Determination of pH value of water extraction solution (GB/T 7573)

GB/T 8427-2019 Textiles - Color fastness test for textiles - Color fastness to artificial light: Argon arc

GB/T 13773.2 Textiles - Seam tensile properties of fabrics and their products: Part 2: Determination of seam strength by grab method

GB/T 17592 Textiles - Determination of prohibited azo dyes

GB18401 National Basic safety technical specifications for textile products

GB/T 19089-2012 Rubber or Plastic Coated Fabrics - Determination of Wear Resistance - Martindale Method

GB/T 29778 Textiles - Evaluation of Potential Phenol Yellowing in Color Fastness Tests

FZ/T 60011 Test Method for Peel Strength of Composite Fabrics

FZ/T 70006 Test Method for Tensile Elastic Recovery of Knitted Fabrics

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report

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3. Used as a sales report: issuing legally effective testing reports to make consumers more confident

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5. Judicial services: providing scientific, fair, and accurate testing data

6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems

100% inspection and testing process:

1. Telephone communication and confirmation of requirements

2. Recommend solutions and confirm quotations

3. Mail samples and arrange testing

4. Progress tracking and result feedback

5. Provide reports and after-sales service

6. If urgent or priority processing is required

Testing and testing characteristics:

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7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc

8. The testing report is authoritative and effective, and is generally used in China