Scope of Application
This standard specifies the technical requirements, inspection methods, inspection rules, packaging and marking, and storage for tube dyed combed machine woven wool yarn. This standard is applicable to the evaluation of the quality of pure wool, wool blend, and wool type chemical fiber yarns woven by tube dyeing combed machines p>
Testing Standards
GB/T 250 Textiles - Color Fastness Testing - Grey Sample Card for Evaluating Discoloration
GB/T 5706 Textile Terminology (Wool Part)
GB 9994 Textile Materials - Common Moisture regain
GB 18401 National Textile Product Basic Safety Technical Specification GB/T 29862- Identification of Fiber Content in Textiles - FZ/T 20017 Wool Yarn Test Method
Terms and Definitions
The terms and definitions established in GB/T 5706 and the following are applicable to this standard p>
3.1
Tube dyed combed woven wool yarn package dying worsted woven yarn is a combed woven wool yarn produced using tube dyeing method p>
Technical Requirements
4.1 Safety Requirements
The safety technical requirements for tube dyeing combed machine woven wool yarn should comply with the provisions of GB 18401.
. 4.2 Grading Regulations1. 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 problems1. 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 required1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. 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 ChinaNumber