This standard specifies the product varieties, specifications, requirements, inspection methods, inspection rules and markings, packaging, transportation, and storage of cotton hemp and polyester blended natural colored yarn produced on ring spinning frames. This standard is applicable to the identification of the quality of hemp fiber (hemp fiber content not less than 30%) and polyester fiber blended natural yarn. This standard also applies to blended natural colored yarns mainly composed of hemp and polyester fibers (with a blended fiber content of not less than 80%) and containing other fibers. 2 Normative references are essential for the application of this document in the following documents. 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 398-2008 Cotton Yarn GB/T 2910 (All Parts) Quantitative Chemical Analysis of Textiles GB/T 3292.1 Test Methods for Unevenness of Yarns Part 1: Capacitance Method GB/T 3916 Determination of Breaking Strength and Elongation at Break of Single Yarn of Textile Wrapped Yarn GB/T 4743 Determination of Linear Density of Yarn Wrapped Yarn by Twist Yarn Method GH/T 8693 Designation of Textile Yarns GB/T 9996.2-2008 Cotton and Chemical Fiber Pure Spinning, Blackboard Inspection Method for Appearance Quality of Blended Yarns - Part 2: Inpidual Evaluation Method - FZ/T O1053 Identification of Fiber Content in Textiles - FZ/T10007 Inspection Rules for Cotton and Chemical Fiber Pure Spinning and Blended Natural Color Yarns - FZ/T10008 Identification and Packaging of Cotton and Chemical Fiber Pure Spinning and Blended Natural Color Yarns - FZ/T 30003 Quantitative Analysis Method for Cotton and Hemp Blended Products - Microscopic Projection Method -3 Product Varieties and Specifications -3.1 Specifications of Hemp Polyester Blended Natural Color Yarns - Follow GB/T 8693, It can also be directly expressed by the linear density of yarn, and the specific variety and 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