Scope

This standard specifies the technical requirements, test methods, inspection rules, packaging, storage, transportation, and labeling of school uniforms for primary and secondary school students This standard applies to clothing and accessories mainly made of textile fabrics that primary and secondary school students wear on a daily basis in school. Other students' school uniforms can refer to the implementation

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 250 Textiles - Grey Sample Card for Evaluating Discoloration in Color Fastness Testing

GB/T 1335 (All Parts) Clothing Size

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

GB/T 2912.1 Textiles - Determination of Formaldehyde - Part 1: Free and Hydrolyzed Formaldehyde (Water Extraction Method)

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

GB/T 3921-2008 Textiles - Tests for Color Fastness to Soap

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

GB/T 3923.1 Textiles - Tensile Properties of Fabrics - Part 1: Determination of Breaking Strength and Elongation at Break (Strip Method)

GB/T 4802.1-2008 Textiles - Determination of pilling and pilling properties of fabrics - Part 1: Circular trajectory method

GB/T 4802.3 Textiles - Determination of pilling and pilling properties of fabrics - Part 3: Pilling box method

GB5296.4 Instructions for use of consumer goods - Part 4: Textiles and clothing

GB/T 5713 Textiles - Color fastness test - Color fastness to water

GB/T 6411 Knitted underwear size series

GB/T 7573 Textiles - Determination of pH value of water extraction solution

GB/T 7742.1 Textiles - Bursting properties of fabrics - Part 1: Determination of bursting strength and bursting expansion - Hydraulic method

GB/T 8427-2008 Textiles - Tests for color fastness to artificial light: Xenon arc

GB/T 8628 Textiles - Preparation of fabric specimens and clothing for testing dimensional changes Marking and Measurement

GB/T 8629-2001 Household Washing and Drying Procedures for Textile Testing

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

GB/T 13772.2 Textiles - Determination of Yarn Slip Resistance at Seams of Woven Fabrics - Part 2: Constant Load Method

GB/T 13773.1 Textiles - Seam Tensile Properties of Fabrics and Their Products - Part 1: Determination of Seam Strength by Strip Method

GB/T 14272 Down Clothing

GB/T 14576 Textiles Color fastness test for light and sweat composite color fastness

GB/T 14644 Textiles - Determination of burning performance in 45 'direction - Burning rate

GB/T 17592 Textiles - Determination of prohibited azo dyes

GB18383 General technical requirements for flocculent fiber products

GB18401 National Technical Specification for Basic Safety of Textile Products

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