This standard specifies the specifications, requirements, inspection methods, acceptance rules, marking, packaging, transportation, and storage of rotor spun hemp natural color yarn (hereinafter referred to as rotor spun hemp yarn). This standard is applicable to the quality appraisal of rotor spun hemp yarn and serves as a unified regulation for handover acceptance. 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 Scale for Discoloration - GB/T 3292.1 Textiles - Test Method for Uneven Yarn Lines - Part 1: Capacitance Method - GB/T 3916 Textiles - Determination of Single Yarn Breaking Strength and Elongation at Break - GB/T 4743 Textiles - Determination of Yarn Yarn Yarn Yarn Yarn Yarn Yarn Yarn Yarn Yarn Yarn Linear Density - GB/T 5296.4 Instructions for Use of Consumer Goods - Instructions for Use of Textiles and Clothing - GB/T 8693- Designation of Yarns - Specification 3- Specification 3.1- Rotary Cup Spinning of Hemp Yarn The specifications for spinning hemp yarn shall be in accordance with GB/T 8693, and can also be directly expressed by the linear density of the yarn. The specific specifications can be determined by the production department according to market and user needs

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