1 Scope

This standard specifies the terms and definitions, models and specifications, requirements, testing, judgment rules, product usage instructions, packaging, transportation, and storage of bras This standard is applicable to identifying the quality of bras made mainly of warp and weft knitted fabrics

2 Normative References

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 amendments) applies to this document

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

GB/T 2910 (All Parts) - Quantitative Chemical Analysis of Textiles

GB/T 2912.1- Determination of Formaldehyde in Textiles - Part 1: Formaldehyde (Water Extraction Method)

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

GB/T 3921-2008 Textiles - Tests for Color Fastness to Soap

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

GB/T 4856 Knitted Cotton Packaging

GB/T 5296.4. Instructions for Use of Consumer Goods - Part 4: Textiles and Clothing

GB/T 5713 Textiles - Tests for Color Fastness to Soap

GB/T 7573 Textiles - Determination of pH of Water Extraction Solution

GB/T 17592 Textiles - Determination of Prohibited Azo Dyes

GB 18401 National Technical Specification for Basic Safety of Textile Products

GB/T 29862 Identification of Fiber Content in Textiles

FZ/T 01026 Quantitative Chemical Analysis of Textiles - Four Component Fiber Mixtures

FZ/T 01057 (All Parts) Test Method for Identification of Textile Fibers

FZ/T 01095 Test Method for Crystal Fiber Content of Spandex in Textiles

GSB 16-2159 Knitted Products Standard Depth Sample Card (1/12)

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