1 Scope

This standard specifies the terms and definitions, size, requirements, testing, judgment rules, as well as product usage instructions, packaging, transportation, and storage of knitted and shaped underwear elastic products This standard is applicable to the evaluation of the quality of elastic knitted body shaping underwear and knitted body shaping underwear products without side seams This standard does not apply to clothing for infants and young children aged 36 months and below

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 modifications) applies to this document

GB/T 250 Textiles - Color Fastness Testing - 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: Free and Hydrolyzed 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 4802.1-2008 Textiles - Determination of Pilling and Pilling Properties of Fabrics - Part 1: Circular Path Method

GB/T 4856 Packaging of Cotton Knitted Fabrics

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

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

GB/T 6411 Knitted Underwear Size Series

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

GB/T 8170 Value Rounding Rules and Representation and Judgment of Limit Values

GB/T 8629-2001 Home Washing and Drying Procedures for Textile Testing

GB/T 17592 Textiles - Determination of Prohibited Azo Dyes

GB 18401 National Basic Safety Technical Specification for Textile Products

GB/ T 29862 Identification of Fiber Content in Textiles

GB 31701 Safety Technical Specification for Infant and Child Textile Products

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

FZ/T 01057 (All Parts) Textile Fiber Identification Test Method

FZ/T 01095 Test Method for Fiber Content of Spandex Products

GSB 16-1523 Knitted Fabric Pilling Sample

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