Testing scope:

This standard specifies the terms, definitions, classification, requirements, testing and inspection methods, inspection rules, markings, and packaging of cotton spandex printed and dyed elastic corduroy This standard is applicable to various types of bleached, dyed, and printed cotton spandex elastic corduroy produced by machine weaving

Testing standards:

The following documents are essential for the application of this document.

. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document

GB/T 250 Textiles - Evaluation of Color Fastness - Grey Sample Card for Discoloration

GB/T 251 Textiles - Evaluation of Color Fastness - Grey Sample Card for Staining - GB/T 406-2008 Cotton Natural Color Cloth

GB/T 411 Cotton Printing and Dyeing Cloth

GB/T 2910.1 Textiles - Quantitative Chemical Analysis - Part 1: General Test Rules

GB/T 2910.20 Textiles, Quantitative Chemical Analysis: Part 20: Mixtures of Polyurethane Elastic Fibers and Certain Other Fibers (Methylacetamide Method)

GB/T 3917.1 Textiles - Tear Resistance of Fabrics - Part 1: Determination of Tear Strength by the Impact Pendulum Method - GB/T 3920 Textiles - Tests for Color Fastness to Rubbing -

GB/T 3921-2008 Textiles - Tests for Color Fastness to Soaping - GB/T 3922-2013 Textiles - Tests for Color Fastness to Sweating -

GB/T 3923.1 Textiles - Tensile Properties of Fabrics - Part 1; Determination of breaking strength and elongation at break (strip method) GB/T4666 Textiles - Determination of Length and Width of Fabrics

GB/T 4668 Determination of Density of Woven Fabrics

GB/T 4841.3 Dye Dyeing Standard Depth Color Cards 2/1, 1/3, 1/6, 1/12,1/25GB 5296.4 Instructions for the Use of Consumer Goods - Part 4: Textiles and Clothing

GB/T 6152-1997 Textiles - Color Fastness Tests - Heat and Pressure Fastness GB/T 8170- Rules for Rounding off Values and Representation and Judgment of Limit Values

Color fastness to light: Silkworm arc

GB/T 8628 Textiles - Preparation, marking, and measurement of fabric samples and clothing for testing dimensional changes GB/T 8629-2001 Household washing and drying procedures for textile testing

GB/T 8630 Textiles - Determination of dimensional changes after washing and drying GB/T14311 Cotton printed and dyed corduroy

GB/T14801 Test methods for diagonal and bow weft of woven and knitted fabrics GB/T 18401 Basic safety technical specifications for national textile products

Function of testing report:

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

2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms

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

4. Papers and research: Provide professional personalized testing needs

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:

1. The testing industry is fully covered, meeting different testing needs

2. Fully cover the laboratory and allocate localized testing nearby

3. Engineers provide one-on-one services to make testing more accurate

4. Free initial testing, with no testing fees charged

5. Self service order delivery for free on-site sampling

6. Short cycle, low cost, and attentive service

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

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