1 Scope

This standard specifies the technical requirements, test methods, inspection and acceptance rules, packaging, and labeling of rough combed yak velvet knitted goods.

. This standard is applicable to the identification of the quality of coarse combed pure yak cashmere knitwear and yak cashmere blended knitwear containing 30% or more yak cashmere

2 Normative References

The following documents 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 2910 (all parts) Quantitative Chemical Analysis of Textiles

GB/T 3920 Textiles - Tests for Color Fastness to Rubbing

GB/T 3922 Textiles - Tests for Color Fastness to Sweat

GB/T 4802.3 Textiles - Determination of Pilling and Pilling Performance of Fabrics - Part 3: Pilling Box Method

GB/T 4856 Packaging of Cotton Knitted Fabrics

GB5296.4 Instructions for Use of Consumer Goods - Part 4: Textiles and Clothing -

GB/T 5711 Textiles - Color Fastness Test - Resistance to Tetrachloroethylene Dry Cleaning Fastness

GB/T 5713 Textiles - Tests for Color Fastness - Color Fastness to Water

GB/T 7742.1-2005 Textiles - Part 1: Bursting Properties of Fabrics; Determination of bursting strength and bursting expansion by hydraulic method

GB/T 8427-2008 Textiles - Color fastness tests to artificial light - Color fastness tests to xenon arc

GB/T 12490-2014 Textiles - Color fastness tests to household and commercial washing

GB/T16988- Determination of the content of special animal fibers and sheep wool mixtures

GB 18401 National Basic Safety Technical Specification for Textile Products

GB/T 29862- Identification of textile fiber content

FZ/T 01026 Quantitative chemical analysis of textiles - Four component fiber mixtures

FZ/T 01057 (all parts) Test Method for Identification of Textile Fibers

FZ/T 01101 Physical Method for Determination of Fiber Content

FZ/T 20011-2006 Twist Angle Test Method for Wool Knitted Garments

FZ/T 20018 Determination of Dichloromethane Soluble Matter in Wool Textile

FZ/T 70008 Test Method for Woven Density Coefficient of Wool Knitted Fabrics

FZ/T 70009 Test Method for Relaxation Size Change Rate and Felting Size Change Rate of Wool Textile Products After Washing

FZ/T 73018 Wool Needle Fabric

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