This standard specifies the product varieties, specifications, technical requirements, testing methods, inspection rules, packaging, marking, transportation, and storage of linen viscose blended natural color yarn (hereinafter referred to as "linen viscose yarn") containing 45% or more linen. This standard is applicable to the evaluation of the quality of hemp yarn produced by ring spinning machines. 2 Normative References: The clauses in the following documents become clauses of this standard through reference in this standard. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB/T 2910 Textiles, Two component fiber blended products - Quantitative chemical analysis methods (GB/T 2910-1997, eqv ISO 1833:1997) GB/T 3292 Textiles - Test Method for Uneven Yarn Evenness - Capacitance Method GB/T 3916-1997 Textiles: Determination of Breaking Strength and Elongation at Break of Single Yarn in Roll Yarn GB/T4743-1995 Determination of Yarn Linear Density - Twist Yarn Method - FZ/T01053 Identification of Fiber Content in Textiles - FZ/T32001-1998 Flax Yarn - FZ/T 32004-1996 Flax Cotton Blended Natural Color Yarn

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