This standard specifies the product classification, identification, technical requirements, test methods, acceptance rules, marking, and packaging of combed hemp and cotton type regenerated cellulose fibers (viscose, modal, Lyocell) blended natural color yarn. This standard is applicable to the evaluation of the quality of natural color yarn blended with ring spun combed hemp and cotton type regenerated cellulose fibers. 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 2543.2 Textiles - Determination of Yarn Twist - Part 2: Untwist and Twist Method - GB/T 3292.1 Test Method for Unevenness of Yarn Lines in Textiles - Part 1: Capacitance Method - GB/T 3916- Determination of Breaking Strength and Elongation at Break of Single Yarn in Textiles and Wrapped Yarns (CRE Method) GB/T 4743-2009 Textiles - Determination of Yarn Yarn Yarn Yarn Yarn Yarn Yarn Linear Density - GB/T 8170 Rules for Rounding off Values and Representation and Determination of Limit Values - GB/T 9994 GB/T 29862 Identification of Fiber Content in Textiles - FZ/T 10007 Cotton and Chemical Fiber Pure Spinning Testing Rules for Blended Natural Color Yarns FZ/T 10008 Cotton and Chemical Fiber Pure Spinning. Marking and Packaging of Blended Natural Color Yarns SN/T 2467: Quantitative Analysis Method for Recycled Cellulose Fiber and Hemp Fiber Blended Products, Hydrochloric Acid Method 3 Terms and Definitions The following terms and definitions apply to this document. 3.1 Granular defects formed by fiber twisting or aggregation in neps

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