GB/T 31900-2024 Woven children's clothing
1 Scope
This document specifies the requirements, inspection rules, marking, packaging, transportation and storage of woven children's clothing, and describes the corresponding inspection methods.
This document is applicable to children’s clothing with woven fabrics as main fabrics.
This document does not apply to clothing whose main parts are filled with down feathers, natural fibers, chemical fibers and their blends.
This document is not applicable to clothing for infants aged 36 months and below.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions 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 systems for garments
GB/T 3917.2 Textiles - Tear properties of fabrics - Part 2: Determination of tear force of trouser-shaped test specimens (Single tear method)
GB/T 3921-2008 Textiles - Tests for colour fastness - Color fastness to washing with soap or soap and soda
GB/T 4802.1-2008 Textiles - Determination of fabric propensity to surface fuzzing and to pilling - Part 1: Circular locus method
GB/T 4841.3 Color cards of standard depths for dyeing with dyestuffs 2/1, 1/3, 1/6, 1/12, 1/25
GB/T 5296.4 Instructions for use of products of consumer interest - Part 4: Textiles and apparel
GB/T 5711 Textiles - Tests for colour fastness - Colour fastness to drycleaning using perchloroethylene solvent
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 8427-2019 Textiles - Tests for color fastness - Color fastness to artificial light: Xenon arc
GB/T 8629-2017 Textiles - Domestic washing and drying procedures for textile testing
GB/T 8630 Textiles - Determination of dimensional change in washing and drying
GB/T 13769 Textiles - Test method for assessing the smoothness appearance of fabrics after cleansing
GB/T 13771 Textiles - Test method for assessing the smoothness appearance of seams in fabrics after cleansing
GB/T 14801 Test method for skewness and bow in woven and knitted fabrics
GB/T 15557 Standard terminology relating to apparel
GB/T 18132 Silk garments
GB 18401 National general safety technical code for textile products
GB/T 21294 Testing methods of physical and chemical performance of garments
GB/T 21295-2024 Requirements of physical and chemical performance of garments
GB/T 22702 Measurement method for cords and drawstrings on children's clothing
GB/T 22705 Safety specifications for cords and drawstrings on children’s clothing
GB/T 29778 Textiles - Tests for color fastness - Assessment of the potential to phenolic yellowing of materials
GB/T 29862 Textiles - Identification of fiber content
GB/T 31127-2014 Textiles - Tests for colour fastness - Colour fastness to transfer in joints
GB 31701 Safety technical code for infants and children textile products
GB/T 31702 Testing method for sharpness of attached components on textile products
GB/T 31907 Method of garment measurement
FZ/T 80002 Marking, packaging, transportation and storage for garments
FZ/T 80004 Rule for garments delivery inspection
FZ/T 80007.3 Dry wash resistance test method for garments used adhesive interlining
Sample photos of appearance defects on M&F unlined and cotton wadded garments and girls’ and boys' unlined garments (Ministry of Textile Industry of the People's Republic of China)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB 31701 and GB/T 15557 apply.
4 Requirements
4.1 Instructions for use
Instructions for use shall comply with the requirements of GB/T 5296.4 and GB 31701.
4.2 Size and specification
4.2.1 Size specification shall be set according to the requirements of GB/T 1335 (all parts).
4.2.2 The specification of main parts of finished products shall be designed according to the relevant requirements of GB/T 1335 (all parts).
4.3 Raw and accessory materials
Shell and lining shall meet the relevant requirements of this document. Linings and sewing threads and other accessory materials shall be suitable to the shell; button, decorative button, zipper and other attached components shall be smooth in surface and free of burr, damage, defect and accessible sharp tip or edge. The zipper shall mesh in good condition and run smoothly.
Note: Accessible sharp tips or edges refer to the sharp edges and tips on finished product that may cause harm to human skin.
4.4 Warp and weft yarn
The yarn skewness of the top collar, bodice, sleeve and trousers shall not be greater than 3%. The front bottom hem shall be free from any upwarp.
4.5 Strip and plaid matching
4.5.1 Obvious strips or plaids of 1.0cm or above on the fabrics shall comply with those specified in Table 1 (except in special design).
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Test method
6 Inspection rules
7 Marking, packaging, transportation and storage
