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GB/T 31900-2024 English PDF (GB/T 31900-2015)

GB/T 31900-2024_English: PDF (GB/T31900-2024)
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GB/T 31900-2024English359 Add to Cart 4 days [Need to translate] Woven children’s clothing Valid GB/T 31900-2024
GB/T 31900-2015English85 Add to Cart 0--9 seconds. Auto-delivery Woven children clothing Valid GB/T 31900-2015


BASIC DATA
Standard ID GB/T 31900-2024 (GB/T31900-2024)
Description (Translated English) Woven children��s clothing
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y76
Classification of International Standard 61.020
Word Count Estimation 18,170
Date of Issue 2024-11-28
Date of Implementation 2026-12-01
Older Standard (superseded by this standard) GB/T 31900-2015
Drafting Organization Shanghai Textile Group Testing Standards Co., Ltd., Guangzhou Yingshi Brand Management Co., Ltd. , Guangzhou Fiber Products Testing Institute, Li Ning (China) Sports Goods Co., Ltd., Zhejiang Maige Clothing Co., Ltd., Aimu Co., Ltd., Guangdong Jinfa Maternal and Child Products Co., Ltd., Shanghai Hafulin Clothing Co., Ltd., Shenzhen Zhongnan Huoli Industrial Co., Ltd., Hengyuanxiang (Group) Co., Ltd., Zhejiang Light Industrial Products Quality Inspection Institute, Peak (China) Co., Ltd., Zhejiang Dongsheng Holding Group Co., Ltd., Zhejiang Good Student Clothing Co., Ltd., Dongguan Fuming Button Co., Ltd., Yongxing Dongrun Clothing Co., Ltd., Dongguan Yishun Group Co., Ltd., Jingzhou Hongye Knitting Clothing Co., Ltd., Elite Holding Group Co., Ltd., Sichuan Shengshan Magnolia Industrial Co., Ltd.
Administrative Organization National Technical Committee for Standardization of Clothing (SAC/TC 219)
Proposing organization China National Textile and Apparel Council
Issuing agency(ies) State Administration for Market Regulation, National Standardization Administration

BASIC DATA
Standard ID GB/T 31900-2015 (GB/T31900-2015)
Description (Translated English) Woven children clothing
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y76
Classification of International Standard 61.02
Word Count Estimation 18,161
Date of Issue 2015-09-11
Date of Implementation 2016-04-01
Quoted Standard GB/T 250; GB/T 251; GB/T 1335.1; GB/T 1335.2; GB/T 1335.3; GB/T 3917.2; GB/T 3921-2008; GB/T 4841.3; GB 5296.4; GB/T 8629-2001; GB/T 8630; GB/T 18132; GB 18401; GB/T 21294; GB/T 21295; GB/T 22702; GB/T 22705; GB/T 29862; GB/T 31907; FZ/T 80002; FZ/T 80004; FZ/T 80007.3
Drafting Organization Shanghai Garment Institute
Administrative Organization National Clothing Standardization Technical Committee
Regulation (derived from) National Standard Announcement 2015 No.25
Summary This Standard specifies the woven children's clothing requirements, test methods, test classification rules and signs, packaging, transportation and storage, and all other technical characteristics. This Standard applies to textile woven fabric as the main fabric production of children's clothing. This Standard does not apply to the age of 36 months and less infant clothing.


GB/T 31900-2024 Woven children's clothing Woven Children's Clothing ICS 61.020 CCS Y 76 National Standard of the People's Republic of China Replace GB/T 31900-2015 Released on 2024-11-28 2026-12-01 implementation State Administration for Market Regulation The National Standardization Administration issued Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document replaces GB/T 31900-2015 "Woven Children's Clothing". Compared with GB/T 31900-2015, except for the structural adjustment and In addition to logical changes, the main technical changes are as follows. Added the inapplicability scope of the document (see Chapter 1); a) The requirements for instructions for use have been changed (see 4.1, 3.1 of the.2015 edition); b) The requirements for fabrics and linings in raw materials have been changed, and the requirements for buttons, decorative buckles, zippers and other accessories have been supplemented (see 4.3, 3.3 of the.2015 edition); c) The requirements for warp and weft yarns have been changed (see 4.4, 3.4 of the.2015 edition); d) The requirements for the matching of items have been changed (see 4.5, 3.5 of the.2015 edition); e) The splicing requirement has been deleted (see 3.6 of the.2015 edition); f) The color difference requirements have been changed (see 4.6, 3.7 of the.2015 edition); g) The requirements for appearance defects have been changed (see 4.7, 3.8 of the.2015 edition); h) The sewing requirements have been changed (see 4.8, 3.9 of the.2015 edition); i) Changed the requirements for ironing (see 4.10, 3.11 of the.2015 edition); j) Added that the safety performance of clothing worn by children aged 3 to 14 should also comply with the requirements of GB 31701 (see 4.11); k) The requirements for color fastness to wet rubbing have been changed (see 4.11, 3.12 of the.2015 edition); l) Added requirements for phenol yellowing (see 4.11); m) The requirements for appearance after washing have been changed (see 4.11, 3.12 of the.2015 edition); n) The requirements for the footnotes of physical and chemical properties have been changed (see 4.11, 3.12.2 to 3.12.9 of the.2015 edition); o) The test method has been changed (see Chapter 5, Chapter 4 of the.2015 edition); p) The inspection rules have been changed (see Chapter 6, Chapter 5 of the.2015 edition). q) Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China National Textile and Apparel Council. This document is under the jurisdiction of the National Technical Committee on Standardization of Clothing (SAC/TC 219). This document was drafted by. Shanghai Textile Group Testing Standards Co., Ltd., Guangzhou Yingshi Brand Management Co., Ltd., Guangzhou Fiber Products Inspection Co., Ltd. Institute of Measurement, Li Ning (China) Sporting Goods Co., Ltd., Zhejiang Maigo Garment Co., Ltd., Aimei Co., Ltd., Guangdong Jinfa Mother Baby Products Co., Ltd., Shanghai Hafulin Garment Co., Ltd., Shenzhen Zhongnan Huoli Industrial Co., Ltd., Hengyuanxiang (Group) Co., Ltd., Zhejiang Light Industrial Products Quality Inspection Institute, Peak (China) Co., Ltd., Zhejiang Dongsheng Holding Group Co., Ltd., Zhejiang Good Student Clothing Co., Ltd., Dongguan Fuming Button Co., Ltd., Yongxing Dongrun Clothing Co., Ltd., Dongguan Yishun Group Co., Ltd. Limited Company, Jingzhou Hongye Knitting Garment Co., Ltd., Elite Holding Group Co., Ltd., Sichuan Shengshan Magnolia Industrial Co., Ltd., Qingzhou Tambor Clothing Co., Ltd. The main drafters of this document are. Ma Nini, Chen Qingqin, Zhang Jianyang, Zhang Xianyan, Xia Meihua, Yang Xiuyue, Zhang Kejia, Zhang Xiaofeng, Xu Haibin, Chen Jiahui, Chen Zhongwei, Dong Yue, Wu Guoping, Chen Zhongle, Pan Tuohao, Li Hanfang, Wang Ping, Xiao Xiuqun, Hu Lei, Fan Jingjing, Wang Youlin, Wang Lili. The previous versions of this document and the documents it replaces are as follows. First published in.2015 as GB/T 31900-2015; - This is the first revision. - Woven Children's Clothing 1 Scope This document specifies the requirements, inspection rules, as well as marking, packaging, transportation and storage of woven children's clothing, and describes the corresponding tests method. This document applies to children's clothing produced with textile woven fabrics as the main fabric. This document does not apply to garments mainly filled with down or feathers, natural fibers, chemical fibers and their blends. This document does not apply to clothing for infants and toddlers aged 36 months and under. 2 Normative references The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document. GB/T 250 Textiles - Grey scale for colour fastness tests GB/T 1335 (all parts) Clothing sizes GB/T 3917.2 Tear properties of textile fabrics - Part 2.Determination of tear strength of trouser-shaped specimens (single seam) GB/T 3921-2008 Textiles - Tests for colour fastness - Colour fastness to washing with soap GB/T 4802.1-2008 Determination of the pilling properties of textile fabrics Part 1.Circular locus method GB/T 4841.3 Dyeing Standard Depth Color Chart 2/1, 1/3, 1/6, 1/12, 1/25 GB/T 5296.4 Instructions for use of consumer products Part 4.Textiles and clothing GB/T 5711 Textiles - Tests for colour fastness - Colour fastness to dry cleaning using tetrachloroethylene GB/T 8170 Rules for rounding off values and expression and determination of limit values GB/T 8427-2019 Textiles - Tests for colour fastness - Colour fastness to artificial light. Xenon arc fading lamp GB/T 8629-2017 Domestic washing and drying procedures for textile testing GB/T 8630 Determination of dimensional changes of textiles after washing and drying GB/T 13769 Textiles - Test method for evaluating the smoothness of fabric appearance after washing GB/T 13771 Textiles - Test method for evaluating the smoothness of seams after washing GB/T 14801 Test method for weft skew and bow of woven and knitted fabrics GB/T 15557 Clothing Terminology GB/T 18132 Silk Clothing GB 18401 National basic safety technical specification for textile products GB/T 21294 Testing methods for physical and chemical properties of clothing GB/T 21295-2024 Technical requirements for physical and chemical properties of clothing GB/T 22702 Measurement methods for cords and drawstrings on children's clothing GB/T 22705 Safety requirements for cords and drawstrings on children's clothing GB/T 29778 Textiles - Colour fastness tests - Evaluation of potential phenolic yellowing GB/T 29862 Labelling of fibre content of textiles GB/T 31127-2014 Textiles - Tests for colour fastness - Color fastness of joints GB 31701 Safety Technical Specification for Infant and Children's Textile Products ......


GB/T 31900-2015 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 61.020 Y 76 Woven children’s clothing ISSUED ON. SEPTEMBER 11, 2015 IMPLEMENTED ON. APRIL 01, 2016 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China. Table of contents Foreword ... 3  1 Scope ... 4  2 Normative references ... 4  3 Requirements ... 5  4 Inspection methods ... 14  5 Test classification rules ... 18  6 Marking, packaging, transportation and storage ... 25  Foreword This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Textile Industry Federation. This standard shall be under the jurisdiction of the National Garment Standardization Technical Committee (SAC/TC 219). The drafting organizations of this standard. Shanghai Garment Research Institute, National Garment Quality Supervision and Inspection Center (Shanghai), Zhejiang Red Yellow Blue Clothing Co., Ltd., Quanzhou Jazz Rabbit Clothing Co., Ltd, Fujian Wild Leopard Children's Products Limited. The main drafters of this standard. Shi Qin, Xu Jian, Ye Xiandong, Xu Youjiang, Cai Dongsheng, Zhou Shuangxi, Yang Xiuyue. Woven children’s clothing 1 Scope This standard specifies the requirements, inspection methods, inspection classification rules, marking, packaging, transport and storage, and other technical characteristics of the woven children's clothing. This standard applies to the children's clothing using the textile fabrics as the main fabric. This standard does not apply to infants and young children under the age of 36 months. 2 Normative references The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this Standard. GB/T 250 Textiles - Tests for color fastness - Grey scale for assessing change in color GB/T 251 Textiles - Tests for color fastness - Grey scale for assessing staining 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 color fastness - Color fastness to washing with soap or soap and soda GB/T 4841.3 Color cards of standard depths for dyeing with dyestuffs 2/1, 1/3, 1/6, 1/12, 1/25 GB 5296.4 Instructions for use of products of consumer interest - Part 4. Textiles and apparel 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 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 Requirements for physical and chemical performance of garments GB/T 22702 Standard safety size for drawstrings on children’s upper wear GB/T 22705 Safety specifications for cords and drawstrings on children’s clothing GB/T 29862 Textiles - Identification of fiber content GB/T 31907 Method of garment measurement FZ/T 80002 Marking, packaging, transportation and storage of garments FZ/T 80004 Rule for garments delivery inspection FZ/T 80007.3 Dry wash resistance test methods for garments used adhesive interlining 3 Requirements 3.1 Instructions for use Instructions for use are as specified in GB 5296.4. 3.2 Type specifications 3.2.1 Type is set in accordance with GB/T 1335. 2.2.2 The specification of main parts of the finished product shall be designed in accordance with the relevant requirements of GB/T 1335. 3.3 Raw materials shall be free from skewing, AND the lock hole thread mark shall be beautiful, neat, flat, and smooth. 3.9.11 The nail catcher shall be firm, the button foot shall be appropriate in height, AND the thread knot shall be not exposed. The nail catcher shall not be fixed onto the single layer cloth (except for the decorative button); the foot wrapping height is compatible with the button hole thickness, it is wrapped for over three times (the decorative button is not wrapped), AND the thread ending knot shall be strong and complete. 3.9.12 The button and button hole shall be aligned in vertical direction. The snap button shall be secure, aligned vertically, appropriate in engagement, AND free from deformation or over-tightness. 3.9.13 The attach band zippers shall be flat and smooth, AND consistent in height at left side and right side. 3.9.14 The trademarks and durability labels shall be accurate, clear and correct. 3.9.15 The symmetrical parts shall be basically the same. 3.9.16 It is not allowed for the collar parts to use jumping needle. Within 30 cm of other parts, it is not allowed for continuous jumping needle OR more than two locations of the single jumping needle. It is not allowed for the chain type thread mark to use jumping needle. 3.9.17 The decorations (embroidery, insert, etc.) shall be firm, flat and smooth. 3.9.18 The side seam of the trousers (skirt) shall be smooth and straight; the twisting rate of trousers shall be not more than 2%; the twisting rate of tube skirt products shall be not more than 3%; AND there is no requirement for shorts. 3.9.19 The trousers back crotch seam shall be stitched with double threads or chain type threads. 3.10 Specifications allowable deviation The specification allowable deviation of the main parts of the finished product is as specified in Table 4. Table 4 unit in centimeters Name of the part Allowable deviation Upper wear length ± 1.0 Bust ± 1.5 Collar size ± 0.6 fastness will not be used to assess the products which cannot be dry washed as specified in the instruction. AND the water washing mutual staining by splicing is only used to assess the product with splicing between deep color and light color. 3.12.4 In the size change rate, the collar size is only used to assess the closed collar. The waistline is not used to assess the elastic waist; AND the fold treatment and zonal elastic products will not be subjected to the transverse size change rate. 3.12.5 The adhesive interlining peeling strength is only used to assess the color and body of the upper wear, the composite or coated fabric peeling will not be assessed, AND the non-woven fabric adhesive interlining will not be subjected to the assessment of this item if it cannot be peeled in the test. 3.12.6 The allowable color fastness degree of the fabrics with silk fiber content ≥ 50% shall follow the requirements of GB/T 18132. 3.12.7 It is allowed for the qualified product assessment indicator of the wet rubbing color fastness of the raised and flocking fabric as well as deep color fabric to be lowered for half level as compared with those specified in this standard. 3.12.8 The allowable cracking degree indicator of each square meter of mass fabric at a level of 52 g/m2 and below shall follow the requirements of GB/T 18132. The seaming requirements shall comply with the requirements of this standard. The outer layer which is only used for decoration purposes shall not be subjected to seaming performance assessment. 3.12.9 The raised fabric will not be subjected to pilling assessment. 4 Inspection methods 4.1 Inspection tool 4.1.1 Steel tape or ruler, in the scale value of 1 mm. 4.1.2 Grey scale used for color change assessment of the textile color fastness test (GB/T 250). 4.1.3 Grey scale used for staining assessment of the textile color fastness test (GB/T 251). 4.1.4 1/12 Color card of standard depth for dying with dyestuffs (GB/T 4841.3). fiber ≥ 50%); it is dried by hanging in natural air; three finished products shall be randomly taken from the batch for test, AND the mean value of the three products will be used. 4.4.2 The size change rate of the finished product after dry washing shall be tested in accordance with FZ/T 80007.3; the conventional dry washing method is used; three finished products shall be randomly taken from the batch for test, AND the mean value of the three products will be used. 4.4.3 The soap washing color fastness of the finished product shall be tested using the method C (3) as specified in GB/T 3921-2008 [Silk, regenerated cellulose fiber, hemp, nylon, wool and blended fabric are tested using the method A (1) as specified in GB/T 3921-2008]. 4.4.4 The tearing strength of finished product shall be tested in accordance with GB/T 3917.2. 4.4.5 The safety specification of children’s upper wear drawstring shall be in accordance with GB/T 22702. 4.4.6 The safety requirements of children's clothing cords and drawstring shall be in accordance with GB/T 22705. 4.4.7 Other physical and chemical property items are tested in accordance with GB/T 21294, where the seam performance is tested on the sample taken based on clothing style. 4.4.8 As for the test items for which the sampling location is not mentioned, it ... ......

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