GB 24539-2025 English PDFUS$1799.00 · In stock
Delivery: <= 10 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 24539-2025: Protective clothing - Chemical protective clothing Status: Valid GB 24539: Historical versions
Basic dataStandard ID: GB 24539-2025 (GB24539-2025)Description (Translated English): Protective clothing - Chemical protective clothing Sector / Industry: National Standard Classification of Chinese Standard: C73 Classification of International Standard: 13.340.10 Word Count Estimation: 90,910 Date of Issue: 2025-08-29 Date of Implementation: 2026-09-01 Older Standard (superseded by this standard): GB 24539-2021, GB/T 23462-2009 Issuing agency(ies): State Administration for Market Regulation; Standardization Administration of China GB 24539-2025: Protective clothing - Chemical protective clothing---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/GB24539-2025ICS 13.340.10 CCSC73 National Standards of the People's Republic of China Replaces GB 24539-2021 and GB/T 23462-2009 Protective clothing and chemical protective suits Published on 2025-08-29 Implemented on 2026-09-01 State Administration for Market Regulation The State Administration for Standardization issued a statement. Table of ContentsPreface III 1.Scope 1 2 Normative References 1 3.Terms and Definitions 2 4.Fractals and Codes 6. 5 Technical Requirements 6 6.Test Method 21 7.Labeling and Packaging 25 Appendix A (Normative) Overall Airtightness Test Method 28 Appendix B (Normative) Test Method for Inward Leakage Rate 30 Appendix C (Normative) Test Method for Liquid Tightness 36 Appendix D (Normative) Test Method for Inward Leakage Rate of Solid Particulate Matter 43 Appendix E (Normative) Subject Actions in Practical Performance Testing 44 Appendix F (Normative) Test Methods for the Permeability of Chemical Substances 46 Appendix G (Normative) Test Method for Liquid Pressure Penetration Resistance 62 Appendix H (Normative) Test Method for Penetration Time of Fabrics 72 Appendix I (Normative) Test Method for Resistance of Fabrics to Hydrostatic Pressure 74 Appendix J (Normative) Test Method for Liquid Repellency of Fabrics 76 Appendix K (Normative) Test Methods for Abrasion Resistance of Fabrics 79 Appendix L (Normative) Test Method for Flexural Destruction Performance of Fabrics 81 References 83ForewordThis document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document supersedes GB 24539-2021 "Protective Clothing - Chemical Protective Clothing" and GB/T 23462-2009 "Protective Clothing - Chemical Protective Clothing". The "Test Method for Permeability Testing" has been revised compared to GB 24539-2021 and GB/T 23462-2009, with the main changes being structural adjustments and editorial modifications. The technological changes are as follows. a) The scope has been changed (see Chapter 1, Chapter 1 of GB 24539-2021); b) Some terms and definitions have been added and revised (see Chapter 3, Chapter 3 of GB 24539-2021); c) The classification and designation have been changed (see Chapter 4, Chapter 4 of GB 24539-2021); d) Technical requirements for localized chemical protective clothing have been added (see 5.1.9); e) The technical requirements for permeability performance have been changed (see 5.2.3.1, 5.3.3.1 of GB 24539-2021); f) The technical requirements for wear resistance have been changed (see 5.2.4.1, 5.3.4.1 of GB 24539-2021); g) The test method for the decrease in tensile strength of acid and alkali resistant protective clothing fabrics has been modified (see 6.26, GB 24539-2021). 6.25); h) The labeling and packaging have been changed (see Chapter 7, GB 24539-2021); i) The test method for chemical substance permeability has been added and modified (see Appendix F, GB/T 23462-2009); j) The test method for liquid pressure penetration resistance has been modified (see Appendix G, Appendix F of GB 24539-2021); k) The test method for the liquid repellency of chemical protective clothing fabrics has been changed (see Appendix J, Appendix I of GB 24539-2021). Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed and is under the jurisdiction of the Ministry of Emergency Management of the People's Republic of China. The release history of this document and the document it replaces is as follows. ---First published in.2009 as GB 24539-2009; ---When it was first revised in 2021, it was incorporated into GB 24540-2009 "Protective Clothing - Protective Clothing Against Acid and Alkali Chemicals" (first revised in.2009). (First release) and GB/T 29511-2013 "Protective Clothing - Solid Particulate Chemical Protective Clothing" (first released in.2013) content; ---This is the second revision, incorporating the content of GB/T 23462-2009 (first published in.2009). Protective clothing and chemical protective suits 1.Scope This document specifies the classification and codes, technical requirements, markings and packaging of chemical protective clothing, and describes the corresponding testing methods. This document applies to chemical protective clothing used in workplace operations and emergency rescue situations. This document does not apply to chemical protective clothing used in firefighting. Note 1.This document does not specifically specify the performance indicators for headgear, gloves, protective footwear, eye and face protection, respiratory protective equipment, etc., used in conjunction with chemical protective clothing. Requirements, unless the protective equipment is part of the overall protective suit and provides an appropriate level of chemical protection. Note 2.The objects of protection covered in this document include gaseous, liquid, and solid chemical substances.2 Normative referencesThe contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 2912.1 Textiles—Determination of formaldehyde—Part 1.Free and hydrolyzed formaldehyde (water extraction method) GB/T 3820 Determination of thickness of textiles and textile articles GB/T 3917.3 Textiles - Tear Properties of Fabrics - Part 3.Determination of Tear Strength of Trapezoidal Specimens GB/T 3920 Textiles - Tests for color fastness - Color fastness to rubbing GB/T 3923.1 Textiles - Tensile properties of fabrics - Part 1.Determination of breaking strength and elongation at break (strip method) GB/T 4669 Textiles - Determination of mass per unit length and mass per unit area of woven fabrics GB/T 4744 Test and evaluation of water resistance of textiles - hydrostatic pressure method GB/T 7573 Determination of pH value of aqueous extracts of textiles GB/T 8629 Home washing and drying procedures for testing textiles GB/T 8685 Standard Symbol Method for Textile Care Labeling GB/T 12586-2003 Determination of the resistance to flexural breakdown of rubber or plastic coated fabrics GB/T 13773.2 Textiles - Tensile properties of seams in fabrics and their articles - Part 2.Determination of seam strength by the gripping method GB/T 17592 Determination of prohibited azo dyes in textiles GB 18401 National Basic Safety Technical Specifications for Textile Products GB/T 1998 1.2 Textiles - Professional care, dry cleaning and wet cleaning of fabrics and garments - Part 2.Dry cleaning and wet cleaning with tetrachloroethylene Procedure for performance testing during ironing GB.20097 General Technical Specification for Protective Clothing GB/T 20655 Determination of puncture resistance of protective clothing GB/T 21196.2-2007 Textiles - Martindale Method - Determination of Abrasion Resistance of Fabrics - Part 2.Determination of Specimen Breakage GB/T 21294-2024 Test methods for physical and chemical properties of clothing GB/T 23344 Determination of 4-aminoazobenzene in Textiles GB 46310-2025 Protective Clothing - Particulate Protective Clothing ISO 15797 Industrial washing and finishing procedures for testing textile materials and workwear 3.Terms and Definitions The following terms and definitions apply to this document. 3.1 Clothing used to protect the human body from harmful chemicals. Note. This garment can cover the entire body or one or more parts of the body. It can be a combination of multiple protective garments or can be matched with other protective equipment. use. 3.2 Chemical protective equipment that fully covers the wearer (or fully covers the wearer and respiratory protective equipment) and provides airtight and/or liquidtight protection. Protective clothing. 3.3 Provides protection for most of the human body (including at least the torso, arms, and legs), but does not need to cover the respiratory protective equipment worn by the wearer. Chemical protective clothing. Note. There are two types of protective suits. one-piece and two-piece. 3.4 Chemical protective clothing worn to protect one or more parts of the body. Note. Depending on the area covered, specific product types include aprons, sleeves, smocks, shoe/boot covers, head coverings, coats, lab coats, neck warmers, and sock gaiters. Localized chemical protection. Protective clothing can be used alone or in combination with other clothing to improve the level of protection for specific parts of the body. 3.5 Chemicals with low requirements for fabric strength and abrasion resistance, used only once or a limited number of times before the clothing becomes contaminated. Protective clothing. 3.6 Chemical protective agents that require high strength and abrasion resistance of the fabric, and which still provide effective protection after necessary washing and decontamination treatment. Protective clothing. 3.7 A full-coverage, single-piece chemical protective suit with a hood, viewing windows, and hand and foot protection components, used in conjunction with appropriate respiratory protective equipment, is effective against... Chemical protective clothing is a type of clothing that provides protection against toxic and hazardous chemicals such as gaseous, liquid, and solid particles. Note. A tight, all-over body seal must be maintained between all components of the protective suit and between it and its accompanying headgear, gloves, footwear, face shields, or respiratory protection equipment. Protective suits are typically designed to be fully covered. 3.8 Protective clothing for protection against liquid chemicals. Note. A liquid-tight seal must be maintained between all components of the protective suit and between it and related equipment such as hoods, gloves, footwear, face shields, or respiratory protection. Protective clothing. It is usually designed as a full-body coverall, a two-piece suit, or a set with a head cover, face shield, sock boots, over-the-knee boots, gloves, etc. 3.9 Full-body protective clothing for protection against high-pressure liquid chemicals. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 24539-2025_English be delivered?Answer: Upon your order, we will start to translate GB 24539-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 6 ~ 10 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB 24539-2025_English with my colleagues?Answer: Yes. The purchased PDF of GB 24539-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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