This standard specifies the terms and definitions, product size, requirements, testing, judgment rules, product usage instructions, packaging, transportation, and storage of seaweed fiber blended knitted clothing products. This standard is applicable to knitted clothing products that contain 10% or more of seaweed fiber as measured. 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 1335 (All Parts) Clothing Size Type 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 Standard Atmosphere for Humidity Control and Testing of Textiles GB/T 7573 Determination of pH Value of Water Extraction Solution GB/T 8170 Rules for Rounding off Values and Representation and Determination of Limit Values GB/T 8629-2017 Domestic Washing and Drying Procedures for Textile Testing GB/T 8878 Cotton Knitted Underwear GB/T 17591-2006 Flame retardant Fabrics GB/T 17592 Determination of Prohibited Azo Dyes GB/T 18401 National Basic Safety Technical Specifications for Textile Products GB/T 19976-2005 Textile Determination of bursting strength of textiles - Steel ball method GB/T 29862 Textile fiber content identification GB31701 Safety technical specifications for textile products for infants and young children GB/T 35443 Quantitative chemical analysis of textiles - Mixtures of seaweed fibers and certain other fibers FZ/T 01026 Quantitative chemical analysis of textiles - Multicomponent fiber mixtures FZ/T 01057 (all parts) Textile Fiber Identification Test Method FZ/T 01101 Determination of Fiber Content in Textiles Physical Method FZ/T 73023-2006 Antibacterial Knitted Fabric GSB16-1523 Knitted Fabric Pilling and 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