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1 Scope This standard specifies the terms and definitions, product classification, product size, requirements, test methods, sampling rules, judgment rules, product instructions, packaging, transportation, and storage of knitted and shaped underwear adjustment products. This standard is applicable to the evaluation of the quality of knitted body shaping underwear adjustment products made mainly of warp knitted and weft knitted fabrics This standard does not apply to clothing for infants and children aged 14 and below2 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 modification orders) applies to this documentGB/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 5296.4 Instructions for the Use of Consumer Goods - Part 4: Textiles and Clothing GB/T 5713 Textiles - Tests for Color Fastness to Water GB/T 7573 Textiles - Determination of pH of Water Extract GB/T 8629-2017 Textiles - Test Verification of Household Washing and Drying Procedures GB/T 17592 Textiles - Determination of Prohibited Azo Dyes GB 18401 National Technical Specification for Basic Safety of Textile Products GB/T 29862 Textile Fiber Content Identification GB/T 38015 Textile Quantitative Chemical Analysis - Mixtures of Spandex and Certain Other Fibers FZ/T 01026 Textile Quantitative Chemical Analysis - Multicomponent Fiber Mixtures FZ/T 01057 (All Parts) Textile fiber identification test method FZ/T70006 Knitted fabric tensile elastic recovery rate test method FZ/T 73012 bra FZ/T 80002 clothing marking, packaging, transportation and storage 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 problems100% 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 requiredTesting and testing characteristics:1. 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 China
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