GB/T 29868-2020 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 29868-2020 | English | 95 |
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Sports protective products - Knitted products general technical requirements
| Valid |
| GB/T 29868-2013 | English | 279 |
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General technical criterion for knitted sports protection article
| Obsolete |
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GB/T 29868-2020: Sports protective products - Knitted products general technical requirements---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT29868-2020
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.30
W 63
Replacing GB/T 29868-2013
Sports protective products - Knitted products general
technical requirements
ISSUED ON: NOVEMBER 19, 2020
IMPLEMENTED ON: JUNE 01, 2021
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Basic technical requirements ... 6
4 Test method ... 7
5 Sampling rules ... 8
Appendix A (Normative) List of N-nitrosamines that shall not be detected ... 9
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB/T 29868-2013 "General technical criterion for
knitted sports protection article". Compared with GB/T 29868-2013, the main
changes are as follows:
-- Modify the scope of application of the standard (see Chapter 1; Chapter 1
of version 2013);
-- Modify and supplement normative references (see Chapter 2; Chapter 2
of version 2013);
-- Modify some indicators and specifications, including adding the color
fastness to wet rubbing, changing the name of "metal hazards" to "sharp
objects such as metal needle", changing the stretch and recovery rate
assessment item "lateral" to "extending direction", and adding a
description of the conditions for not evaluating the item (see Tables 1 and
3.3; Table 1 and 3.3 of version 2013);
-- Modify the stretch and recovery rate test method (see 4.9; 4.8 of version
2013).
This Standard was proposed by China National Textile and Apparel Council.
This Standard shall be under the jurisdiction of National Technical Committee
291 on Sporting Goods of Standardization Administration of China (SAC/TC
291).
The drafting organizations of this Standard: Anta (China) Co., Ltd., Peak (China)
Co., Ltd., TianFangBiao Standardization Certification & Testing Co., Ltd,
Beijirog (Shanghai) Industry Development Co., Ltd., Yangzhou Qiangjing
Sports Products Co., Ltd., Yangzhou Aolikes Sports Goods Co., Ltd., Centre
Testing International Group Co., Ltd., Yangzhou SENSPORT Sporting Goods
Co., Ltd., Yangzhou Feiyali Sporting Goods Co., Ltd., TianFangBiao
(Guangdong) Testing Technology Co., Ltd., Yangzhou Jiangdu Quality
Technology Association, Zhejiang Baonasi Hoses Industry Co., Ltd., Jiajia
Holding Group Co., Ltd., Tianfangbiao (Shanghai) Testing Technology Co., Ltd.
The drafters of this Standard: Tan Wanchang, Dai Jianhui, Hu Hao, Wu Yiming,
Wan Fusheng, Qiu Jin, Tian Qi, Ji Qingwei, He Weihua, Guan Jian, Zhu
Xianghua, Lou Qiankun.
The previous versions of the standards which are replaced by this Standard are:
Sports protective products - Knitted products general
technical requirements
1 Scope
This Standard specifies the basic technical requirements, detection methods
and sampling rules for knitted sports protective products. Other requirements
for sports protective products shall be implemented in accordance with relevant
product standards.
This Standard applies to knitted sports protective products whose main raw
material is textile fiber, which are knitted by knitting technology or are made of
knitted fabric and polyurethane foam materials, including ankle guard, leg guard,
kneecap, waist support, wrister, barcer, elbow pad, shoulder pad and headband.
This Standard does not apply to sports protective products for infants and young
children aged 36 months and below.
2 Normative references
The following documents are indispensable for the application of this document.
For dated references, only the dated version applies to this document. For
undated references, the latest edition (including all amendments) applies to this
document.
GB/T 2912.1, Textiles - Determination of formaldehyde - Part 1: Free and
hydrolyzed formaldehyde (water extraction method)
GB/T 3920, Textiles - Tests for colour fastness - Colour fastness to rubbing
GB/T 3922, Textiles - Tests for colour fastness - Colour fastness to
perspiration
GB/T 5713, Textiles - Tests for colour fastness - Colour fastness to water
GB/T 7573, Textiles - Determination of pH of aqueous extract
GB/T 8170, Rules of rounding off for numerical values & expression and
judgment of limiting values
GB/T 17592, Textiles - Determination of the banned azo colourants
GB/T 17593.1, Textiles - Determination of heavy metals - Part 1: Atomic
absorption spectrophotometry
3.3 For stretch and recovery, only cylindrical products that contain elastic
materials such as spandex and rubber bands are assessed; products that are
laminated with knitted fabrics and polyurethane foam are not assessed.
3.4 For the N-nitrosamine item, only test the rubber band that is used in
protective clothing. The list of non-detectable N-nitrosamines is shown in
Appendix A; the limit value is less than or equal to 0.5 mg/kg.
4 Test method
4.1 Color fastness test to perspiration
Perform according to GB/T 3922.
4.2 Color fastness test to water
Perform according to GB/T 5713.
4.3 Color fastness test to rubbing
Perform according to GB/T 3920; in general, only assess the straight direction.
4.4 Formaldehyde content test
Perform according to GB/T 2912.1.
4.5 pH value test
Perform according to GB/T 7573.
4.6 Odor test
Perform according to GB 18401.
4.7 Resoluble carcinogenic aromatic amine dyes test
Perform according to GB/T 17592.
4.8 Sharp objects such as metal needle
Perform according to GB/T 24121; use the detection sensitivity (standard iron
ball test card): 1.0 mm.
4.9 Stretch and recovery test
Perform according to the regulations in 8.3.2.2 of FZ/T 70006-2004. Do the test
of product extending direction only, which is generally horizontal stretch. Do not
damage the product; clamp in double layers. The clamp width is greater than
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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