This standard specifies the classification and grading methods, technical indicators, test methods, inspection rules, and requirements for inspection certificates, packaging, marking, storage, transportation, and re inspection of cashmere (including raw cashmere, washed cashmere, and combed cashmere). This standard is applicable to the quality appraisal in the production, trading, processing, quality supervision, and import and export inspection of cashmere. 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 2910 (All Parts) Textiles, Quantitative Chemical Analysis GB/T 6500 Test Method for Moisture regain of Plush Fibers GB/T 6529 Standard Atmosphere for Humidification and Testing of Textiles GB/T 6977 Wash Wool Ethanol Extract, Ash Plant Impurities, Test Method for Total Alkali Insoluble Matter Content GB/T 8170 Rules for Rounding off Values and Expression and Determination of Limit Values GB/T 9994 GB/T 10685 Test Method for Diameter of Wool Fibers GB/T 14593 Cashmere Quantitative analysis methods for wool and its mixed fibers - Scanning electron microscopy method GB/T 16988 Determination of content of special animal fibers and sheep wool mixtures GB/T 21030 Test method for average diameter and distribution of wool and other animal fibers, fiber diameter optical analyzer method GB/T 27629 Test method for breaking strength of wool bundle fibers IWTO-12 Sirolan laser scanning fiber diameter analyzer method for determination of average fiber diameter and fiber diameter distribution The following terms and definitions apply to this document:. 3.1 Cashmere, washed cashmere, and combed cashmere are collectively referred to as cashmere. Among them, fibers with a diameter of 25pm or less belong to velvet fibers

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