GB/T 23330-2019 English PDF

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GB/T 23330-2019: Clothing - Requirements of protection against rain
Status: Valid

GB/T 23330: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23330-2019	279	Add to Cart	3 days	Clothing - Requirements of protection against rain	Valid
GB/T 23330-2009	559	Add to Cart	3 days	Clothing -- Requirement of protection against rain	Obsolete

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Basic data

Standard ID: GB/T 23330-2019 (GB/T23330-2019)
Description (Translated English): Clothing - Requirements of protection against rain
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y75
Classification of International Standard: 61.020
Word Count Estimation: 14,195
Date of Issue: 2019-10-18
Date of Implementation: 2020-05-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 23330-2019: Clothing - Requirements of protection against rain

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Clothing--Requirements of protection against rain ICS 61.020 Y75 National Standards of People's Republic of China Replace GB/T 23330-2009 Clothing rain performance requirements Published on.2019-10-18 2020-05-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 23330-2009 "clothing rain performance requirements", compared with GB/T 23330-2009, the main technical changes The following is as follows. --- Revised scope (see Chapter 1, Chapter 1 of the.2009 edition); --- Modifications supplemented with normative references (see Chapter 2, Chapter 2 of the.2009 edition); --- Revised the definition of the liner (see 3.4, 3.4 of the.2009 edition); ---Modified the name of the lining (see 3.6,.2009 edition 3.6); --- Revised the water pressure rise rate in the water resistance test; increased the test water temperature (see 5.1.1, 5.1.1 of the.2009 edition); --- Revised the requirements for water washing and dry cleaning in the water resistance test (see 5.1.3.2, 5.1.3.2 of the.2009 edition); --- Revised the wear pretreatment requirements in the water resistance test (see 5.1.3.3, 5.1.3.3 of the.2009 edition); --- Modified the tensile strength test method (see 5.3,.2009 edition 5.3); --- Increased the rule against the width of the tear test specimen (see 5.4); --- Added provisions for the sampling part of the joint strength test (see 5.5); --- Revised the type specification (see Chapter 6, Chapter 6 of the.2009 edition); --- Revised the provisions for rain protection signs (see Chapter 7, Chapter 7 of the.2009 edition). This standard was proposed by the China National Textile and Apparel Council. This standard is under the jurisdiction of the National Garment Standardization Technical Committee (SAC/TC219). This standard was drafted. Hangzhou Paradise Umbrella Group Co., Ltd., Bureau Veritas Commodity Testing (Shanghai) Co., Ltd., Shanghai Textile Group Testing Standard Co., Ltd., Xiamen Anta Sports Goods Co., Ltd., Shenzhen Yinger Fashion Group Co., Ltd. The main drafters of this standard. Gao Ming, Gong Dashu, Zhou Shuangxi, Tan Wanchang, Xu Ping, He Lingjun, Li Jianjun, He Ping. The previous versions of the standards replaced by this standard are. ---GB/T 23330-2009.

Introduction

This standard puts forward the requirements for the determination and grading of the fabric and seam performance of rainproof garments, and determines the rainwater protection achieved by rainproof garments. level. Water resistance and moisture resistance are essential properties of rainproof garments and need to be measured and marked on the label. As the most important performance indicator of rainproof clothing, the water resistance can be tested on the outer fabric of the garment. Testing can be done before pretreatment and The pretreated fabric samples and seams were taken. The waterproof material is divided into two types. the steam permeability and the non-vapor permeability. The former can enhance the evaporation of sweat when the moisture resistance index is low. Conducive to the body's cooling. Excellent vapor permeability helps to improve human comfort and reduce physical fatigue, and can extend clothing in specific climate zones. Continuous wear time under the piece (see Appendix A). Clothing rain performance requirements

1 Scope

This standard specifies the terms and definitions, requirements, inspection methods, type specifications and rainproof signs of rainproof clothing. This standard applies to textile fabrics as the main fabric, used to cover precipitation (such as rainfall, snow), fog, ground moisture and rain clothing. This standard does not apply to rainproof clothing for infants and children aged 14 and under.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 1335.1 clothing number type men GB/T 1335.2 clothing number type women GB/T 1690 vulcanized rubber or thermoplastic rubber liquid test method GB/T 3917.2 Textile fabrics - Tearing properties - Part 2. Determination of tear strength GB/T 4744 Textiles - Determination of water resistance - Hydrostatic pressure method GB/T 8629-2017 Home washing and drying procedures for textile testing GB/T 11048 Determination of thermal resistance and moisture resistance under steady state conditions of textile physiological comfort (evaporation hot plate method) GB/T 12586-2003 Determination of flexing resistance of rubber or plastic coated fabrics GB/T 13773.2 Textiles and their products - Joints - Tensile properties - Part 2. Determination of seam strength GB/T 15557 clothing terminology GB/T 19981.2-2014 Professional maintenance, dry cleaning and wet cleaning of textile fabrics and garments - Part 2. Use of tetrachloroethylene Procedure for performance testing during dry cleaning and ironing GB/T 20097 protective clothing general requirements Textiles - Determination of abrasion resistance of textiles - Part 1 . Martindale abrasion tester Textiles - Determination of abrasion resistance of textiles - Part 2. Determination of breakage of specimens GB/T 21294 Inspection method for physical and chemical properties of garments HG/T 2580-2008 Determination of tensile strength and elongation at break of rubber or plastic coated fabrics

3 Terms and definitions

The following terms and definitions as defined in GB/T 15557 apply to this document. 3.1 Wet resistance water-vapourresistance Ret The ratio of the water vapor pressure difference on both sides of the sample to the evaporation heat flow rate per unit area passing through the sample. Evaporative heat flow may be caused by diffusion and One or more forms of convection are passed. Note 1. The moisture resistance Ret is in squares per square watt (m2·Pa/W), which means that the textile is under a stable water vapor pressure gradient condition. The evaporating heat flow rate of a given area. ......

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