This standard specifies the product classification, identification, requirements, test methods, acceptance rules and markings, packaging, transportation, and storage of combed hemp and cotton type regenerated cellulose fibers (viscose, modal, Lyocell) blended color spun yarn. This standard is applicable to the evaluation of the quality of ring spun combed hemp and cotton type regenerated cellulose fiber blended color spun yarn. 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 Textiles - Test Method for Uneven Yarn Lines - Part 1: Capacitance Method - GB/T 3916- Determination of Single Yarn Breaking Strength and Elongation at Break (CRE Method) GB/T 3920 Textiles - Tests for Color Fastness to Rubbing (GB/T 3921-2008) - Tests for Color Fastness to Soap (GB/T 3922) - Tests for Color Fastness to Sweat (GB/T 4743-2009) - Determination of Normal Linear Density of Twisted Yarns for Textile Packaging (GB/T 8170) - Rules for Rounding off Values and Representation and Determination of Limit Values (GB/T 9994) - Common Moisture Return of Textile Materials (GB/T 18401) - National Basic Safety Technical Specifications for Textile Products (GB/T 29862) - Textile Fiber Content Identification of Quantity FZ/T 10008 Cotton and Chemical Fiber Pure Spinning and Blended Natural Color Yarn Marks and Packaging FZ/T10021 Color Spinning Yarn Inspection Rules FZ/T12014-2006 Cotton Color Spinning Yarn for Knitting SN/T 2467 Recycled Cellulose Fiber and Hemp Fiber Blended Products, Quantitative Analysis Method, Hydrochloric Acid Method

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