Standard No.:	GB/T 31888-2015
English Name:	School uniforms of primary and secondary students
Chinese Name:	中小学生校服
Chinese Classification:	Y76;W63
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ; SAC
Issued on:	2015-06-30
Implemented on:	2015-6-30
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	7500 words
Translation Price(USD):	150.0
Delivery:	via email in 1 business day

School uniforms of primary and secondary students 1 Scope This standard specifies the technical requirements, test methods, inspection rules as well as packaging, storage, transport and marking of school uniforms of primary and secondary students. This standard is applicable to clothing and accessories that are produced with textile fabrics (main material) and worn by primary and secondary students in school. In case of other school uniforms, this standard may also serve as a reference. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 250 Textiles - Tests for color fastness - Grey scale for assessing change in color GB/T 1335 (All parts) Standard sizing system for garments GB/T 2910 (All parts) Textiles - Quantitative chemical analysis 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 - Color fastness to rubbing GB/T 3921-2008 Textiles - Tests for color fastness - Color fastness to washing with soap or soap and soda GB/T 3922 Textiles - Tests for color fastness - Color fastness to perspiration GB/T 3923.1 Textiles - Tensile properties of fabrics - Part 1: Determination of maximum force and elongation at maximum force using the strip method GB/T 4802.1-2008 Textiles - Determination of fabric propensity to surface fuzzing and to pilling - Part 1: Circular locus method GB/T 4802.3 Textiles - Determination of fabric propensity to surface fuzzing and to pilling - Part 3: Pilling box method GB 5296.4 Instructions for use of products of consumer interest - Part 4: Textiles and apparel GB/T 5713 Textiles - Tests for color fastness - Color fastness to water GB/T 6411 A series of size of knitted underwear GB/T 7573 Textiles - Determination of pH of aqueous extract GB/T 7742.1 Textiles - Bursting properties of fabrics - Part 1: Hydraulic method for determination of bursting strength and bursting distension GB/T 8427-2008 Textiles - Tests for color fastness - Color fastness to artificial light: Xenon arc fading lamp test GB/T 8628 Textiles - Preparation, marking and measuring of fabric specimens and garments in tests for determination of dimensional change GB/T 8629-2001 Textiles - Domestic washing and drying procedures for textile testing GB/T 8630 Textiles - Determination of dimensional change in washing and drying GB/T 13772.2 Textiles - Determination of the slippage resistance of yarns at a seam in woven fabrics - Part 2: Fixed load method GB/T 13773.1 Textiles - Seam tensile properties of fabrics and made-up textile articles - Part 1: Determination of maximum force to seam rupture using the strip method GB/T 14272 Down garments GB/T 14576 Textiles - Tests for color fastness - Color fastness to light of textiles wetted with artificial perspiration GB/T 14644 Textiles - Burning behavior - 45° test determination of flame spread rate GB/T 17592 Textiles - Determination of the banned azo colourants GB 18383 General technical requirements for products with filling materials GB 18401 National general safety technical code for textile products GB/T 19976 Textiles - Determination of bursting strength - Steel ball method GB/T 23319.3 Textiles - Determination of spirality after laundering - Part 3: Woven and knitted garments GB/T 23344 Textiles - Determination of 4-aminoazobenzene GB/T 24121 Textile products - Determination of the remains of broken sewing needle GB/T 28468 Traffic safety uniforms with reflective fabrics for primary and secondary students in schools GB/T 29862 Textiles - Identification of fiber content GB 31701 Safety technical code for infants and children textile products GB/T 31702 Testing method for sharpness of attached components on textile products

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Requirements 5 Test methods 6 Inspection rules 7 Packaging, storage, transport and marking Annex A (Informative) Schematic diagram for the sampling position for the test on seam strength and yarn slippage at seam Bibliography