This standard specifies the terms and definitions, product classification, requirements, testing methods, judgment rules, product instructions, packaging, transportation, and storage of anti loosening socks. This standard is applicable to warp knitted and weft knitted anti detachment socks. This standard does not apply to socks for infants and young children aged 36 months and below. The following normative references 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/T2910 (All Parts) Quantitative Chemical Analysis of Textiles GB/T2912.1 Determination of Formaldehyde in Textiles Part 1: Free and Hydrolyzed Formaldehyde (Water Extraction Method) GB/T3920 Textiles - Tests for Color Fastness to Rubbing (GB/T3921-2008) - Tests for Color Fastness to Soap (GB/T3922) - Tests for Color Fastness to Sweat (GB/T4856) - Packaging of Cotton Knitted Fabrics (GB/T5296.4) - Instructions for the Use of Consumer Goods - Part 4: Textiles and Clothing (GB/T5453) - Determination of Air Permeability of Textiles (GB/T5713) - Tests for Color Fastness to Water (GB/T7573) - Determination of pH Value of Water Extract (GB/T8170) Representation and Determination of Limit Values GB/T17592 Textiles - Determination of Prohibited Azo Dyes GB/T18401 National Technical Specification for Basic Safety of Textile Products GB/T29862 Identification of Fiber Content in Textiles GB 31701 Technical Specification for Safety of Textile Products for Infants and Children 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 Fiber Content of Textile Spandex Products FZ/T 01101 Physical Method for Determination of Fiber Content FZ/T 73001 Socks FZ/T 73041 Warp Knitted Socks GSB 16-2159 Standard Depth Sample Card for Knitted Products (1/12)
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 problems1. 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 required1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. 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 ChinaNumber