1 Scope

This standard specifies the terms and definitions, specifications, requirements, sampling rules, testing methods, judgment rules, product instructions, packaging, transportation, and storage of spacer fabrics for bras.

This standard is applicable to the quality evaluation of knitted spacer fabrics for bras.

2 Normative reference documents 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 amendments) applies to this document GB/T 2910 (all parts) Quantitative Chemical Analysis of Textiles

GB/T 2912.1 Textiles - Determination of Formaldehyde - Part 1: Free and Hydrolyzed

GB/T 3820-1997 Textiles and Textile Products - Determination of Thickness

GB/T 3920 Textiles - Color Fastness Test to Rubbing

GB/T 3921-2008 Textiles - Color Fastness Test to Soap

GB/T 3922 Textiles - Color Fastness Test to Sweat

GB/T 4856 Packaging of Cotton Knitted Fabrics

GB/T 5296.4 Instructions for the Use of Consumer Goods - Part 4: Textiles and Clothing

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

GB/T 6152-1997 Textiles - Tests for Color Fastness to Water

GB/T 7573 Textiles - Determination of pH of Water Extracts

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

GB/T 8628 Textiles - Preparation of Fabric Samples and Clothing for Testing Dimensional Changes Marking and Measurement

GB/T 8629-2017 Household Washing and Drying Procedures for Textile Testing

GB/T 8630 Textiles - Determination of Dimensional Change after Washing and Drying

GB/T 11047 Textiles - Evaluation of Silk Hook Performance - Hammer Method

GB/T 17592 Textiles - Determination of Prohibited Azo Dyes

GB 18401 National Basic Safety Technical Specification for Textile Products

GB/T 22846 Knitwear (Quarterly) Appearance inspection

GB/T 29862 Textiles - Identification of fiber content

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

FZ/T 01057 (all parts) - Textile fiber identification test 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