Scope

This standard specifies the technical requirements, sampling, testing methods, inspection rules, packaging, marking, and storage of combed wool tops. This standard is applicable to identifying the quality of combed colored wool tops 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 250 Textiles - Grey Sample Card for Evaluating Discoloration in Color Fastness Tests

GB/T 2910 (All Parts) - Quantitative Chemical Analysis of Textiles

GB/T 3291.1 Textile Materials - Performance and Testing Terminology - Part 1: Fibers and Yarns

GB/T 3291.3 Textile Materials - Performance and Testing Terminology - Part 3: General

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

GB/T 3922 Textiles - Test Methods for Color Fastness to Sweat

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

GB/T 6152 Textiles - Tests for Color Fastness to Heat - Color Fastness to Press

GB/T 8170- Rules for Rounding off Values and Determination of Limit Values

GB/T 8427-2008 Textiles - Color Fastness to Artificial Light - Color Fastness to Xenon Arc

GB 994 Textile Materials GB/T 9995 Textile Materials - Determination of Moisture Content and Moisture regain - Oven drying method (GB/T 12490-2007) - Color Fastness Test for Textiles - Color Fastness to Domestic and Commercial Washing (GB/T 12490-2007) - GB/T 16988- Determination of Content of Special Animal Fibers and Sheep Wool Mixtures (GB/T 24443) Test Method for Cleaning Defects and Weight of Wool

FZ/T 01026 Textile Quantitative Chemical Analysis Four Component Fiber Mixtures

FZ/T 01057 (All Parts) Textile Fiber Identification Test Method

FZ/T20002 Determination of Oil Content in Wool Textile

Terminology and Definitions

GB/T 3291 1. The terms and definitions defined in GB/T 3291.3 and the following apply to this document

3.1

Combed color wool top worsted dead top

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