GB/T 31888-2015School uniforms for primary and secondary school students (English PDF)

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by the People's Republic of China Ministry of Education and the China Textile Industry Association. The standard by the China Textile Industry Association. This standard by the Textile Industry Science and Technology Development Center, China Textile Standard (Beijing) Inspection and Certification Center Co., Ltd., Shanghai Garment Research Institute, Days spinning standard (Tianjin) Detection Technology Co., Ltd., the Ministry of Education Research and Development Center Equipment, China Garment Association, China Knitting Industry Association And the Beijing Institute of Clothing responsible for drafting. The main drafters of this standard. Sunxi Min, Zheng Yuying, the Kingdom of construction, Xu Road, Du Yan Bing, Liufeng Rong PROCEEDINGS, Li, Liu Qing, Wei party building, Wu Ying, Li Qing, Hu Hao, Xiu months. Primary and secondary school uniforms

1 Scope

China's national standard for the school uniforms of primary and secondary school students. It specifies the technical requirements, the test methods, the inspection rules, and the packaging, storage and marking for these garments, and it applies to the clothing and accessories worn daily and uniformly by pupils in primary and secondary schools, made principally from textile fabrics; other student uniforms may take it as a reference. It was proposed jointly by the Ministry of Education and the textile industry association, which is unusual and tells the reader what it is for. School uniform in China is bought by schools rather than by families, in bulk, at a price set by tender, for wearers who cannot choose and cannot refuse. That combination removes almost every market mechanism that ordinarily protects a clothing buyer, and the standard exists to replace them. It sets requirements across three groups: safety, comprising formaldehyde, azo dyes releasing carcinogenic amines, pH, odour and the sharpness of attached components; durability, comprising tensile and tear strength, seam strength, pilling and dimensional stability to washing; and colour fastness, to washing, rubbing, perspiration, water and light - the properties on which a garment worn every day for a year either survives or does not. The safety requirements are set at the level required for garments in direct skin contact, which is the correct level for clothing worn all day by children, and they are the part of the document that gave it its public significance when it was issued. Issued and in force from 30 June 2015.

This standard specifies the technical requirements for primary and secondary school uniforms, test methods, inspection rules and packaging, storage and marking. This standard applies to the textile fabric as the main material production, primary and secondary schools in a unified daily wear clothing and accessories. its He may refer to student uniforms.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 250 textile color fastness test assessing change in color like the gray card

GB/T 1335 (all parts) type of clothes

GB/T 2910 (all parts) Textiles - Quantitative chemical analysis GB /2912.1 T Textiles - Determination of formaldehyde - Part 1. Free and hydrolyzed formaldehyde (water extraction method)

GB/T 3920 Textiles Tests for color fastness rubbing fastness

GB/T 3921-2008 Textiles Tests for color fastness Colour fastness to soaping

GB/T 3922 Textiles Tests for color fastness color fastness to perspiration

GB/T 3923.1 Part 1 textile fabric tensile properties. breaking strength and elongation measurement (strip method)

GB/T 4802.1-2008 Textiles pilling ball measured properties - Part 1. Circular locus method

GB/T 4802.3 Textiles pilling ball measured properties - Part 3. Pilling box method

GB 5296.4 consumer use - Part 4. Textiles and Clothing

GB/T 5713 Textiles Tests for color fastness Colour fastness to water

GB/T 6411 series of knitted underwear Size Determination of

GB/T 7573 Textiles pH value of the aqueous extract