This standard specifies the terms and definitions, product size, requirements, inspection rules, sampling rules, judgment rules, as well as product usage instructions, packaging, transportation, and storage of contact cool knitted clothing. This standard applies to knitted clothing mainly made of knitted fabrics with instant cooling performance in contact. This standard does not apply to clothing 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/T 250 Textiles - Assessment of Color Fastness - Grey Sample Card for Discoloration - GB/T 1335 (All Parts) - Clothing Sizes - 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 - 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 Performance 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 - Color Fastness to Water - GB/T 6411 Knitted Underwear Specification and size series GB/T 6529 Textiles - Standard atmospheres for humidity control and testing GB/T 7573 Textiles - Determination of pH value of aqueous extract GB/T 8170 Rules for rounding off values and representation and determination of limit values GB/T 8427-2019 Textiles - Tests for color fastness to artificial light - Color fastness: Xenon arc GB/T 8629-2017 Textiles - Household washing and drying procedures for testing GB/T 8878 Cotton knitted underwear GB/T 14576 Textiles - Color fastness tests - Light fastness GB/T 14801 Test Methods for Color Fastness of Sweat Composite GB/T 14801 Woven and Knitted Fabrics - Determination of Prohibited Azo Dyes in GB/T 17592 Textiles - GB/T 18401 Basic Safety Technical Specifications for National Textile Products - GB/T 19976-2005- Determination of Breaking Strength of Textiles - Steel Ball Method - GB/T 29862- Identification of Fiber Content in Textiles - GB/T 31127-2014- Color Fastness Tests for Textiles - Splicing and Mutual Dyeing Fastness - GB/T 31701- Safety Technical Specifications for Textile Products for Infants and Children - GB/T 31907-2015 Clothing measurement methods
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 China
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