GB 46309-2025 English PDF

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GB 46309-2025: Protective clothing - Selection, use and maintenance of protective clothing against flame and heat
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Basic data

Standard ID: GB 46309-2025 (GB46309-2025)
Description (Translated English): Protective clothing - Selection, use and maintenance of protective clothing against flame and heat
Sector / Industry: National Standard
Classification of Chinese Standard: C73
Classification of International Standard: 13.340.10
Word Count Estimation: 30,354
Date of Issue: 2025-08-29
Date of Implementation: 2026-09-01
Issuing agency(ies): State Administration for Market Regulation, National Standardization Administration

GB 46309-2025: Protective clothing - Selection, use and maintenance of protective clothing against flame and heat

---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/GB46309-2025
ICS 13.340.10 CCSC73 National Standard of the People's Republic of China Selection of flame retardant and thermal protective clothing, Use and maintenance against flame and heat Implementation on September 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4.Selection of flame retardant and thermal protective clothing 2 5 Use of flame retardant and thermal protective clothing 5 6 Maintenance of flame retardant and thermal protective clothing 6 Appendix A (Informative) Main features and some key technical information of various types of flame retardant and thermal protective clothing in the workplace 8 Appendix B (Informative) Typical types of work involving flame and heat hazards in workplaces and possible accidents Damage Type 13 Appendix C (Informative) Notes on the selection, use and maintenance of flame retardant and thermal protective clothing 15 Reference 22 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. 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 is proposed and coordinated by the Ministry of Emergency Management of the People's Republic of China.

introduction

Personal protective equipment, also known as labor protection equipment, is the "last line of defense" to protect the lives and safety of hundreds of millions of workers. Choosing appropriate personal protective equipment and ensuring that it is worn and used correctly is the key to ensuring national safety production and emergency management in my country. An important means of work. At present, my country has formulated a series of standards for the mandatory use of personal protective equipment, which includes Article 40 of the Occupational Safety and Health Law of the People's Republic of China. GB 39800.1 "Specifications for the use of personal protective equipment Part 1.General Principles" and other series of standards aim to confirm Establish overall requirements for personal protective equipment for employers, and guide employers to implement the "Regulations on Personal Protective Equipment of the General Administration of Market Regulation and the Ministry of Housing and Urban-Rural Development" The Notice of the General Office of the Ministry of Emergency Management on Further Strengthening the Supervision and Management of Special Labor Protection Articles Such as Safety Helmets The regulations on the supervision and management of animal protective equipment should be implemented to ensure that there are specifications for equipment, standards for testing, certification for products, and grasps for management, and gradually improve individual Protective equipment standard system. Flame retardant and thermal protective clothing mainly includes flame retardant clothing, welding clothing, molten metal splash protective clothing, arc protection clothing, heat insulation clothing, etc., which are used to protect workers. Protecting workers from flames and heat hazards is a key type of personal protection that plays an important role in protecting workers in various industries. Different types of flames and heat damage have different effects on the human body and different ways of injury, and individual protection needs are different. It is very easy to cause misselection and misuse. Problems in selection, use, and maintenance such as improper use and improper maintenance affect the effective protection of workers and cause injuries. Technical requirements for the selection, use and maintenance of flame retardant and thermal protective clothing to match GB 39800 (all parts) and flame retardant and thermal protective clothing series products Standards will be established to improve the level of personal protective equipment work of employers. Selection of flame retardant and thermal protective clothing, Use and maintenance

1 Scope

This document specifies requirements for employers for the selection, use, and maintenance of flame retardant and thermal protective clothing. This document applies to the selection, use and maintenance management of flame retardant and thermal protective clothing by employers.

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 to This document. GB 8965.1 Protective clothing flame retardant clothing GB 8965.2 Protective clothing welding clothing GB 8965.3 Protective clothing for protection against molten metal splash GB 8965.4 Protective clothing Arc flash protection clothing GB 38453 Protective clothing - thermal insulation clothing

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 selection The process of determining the type of protective clothing, protection level, and structural adaptability of clothing required for workers. 3.2 Use On the basis of fully considering the protective characteristics, applicable scope of work and protective function limitations of protective clothing, it is important to wear protective clothing correctly. The process of workers taking protective measures. 3.3 Maintenance Work performed to maintain the protective performance of protective clothing and avoid damage to the performance of protective clothing. Note. Usually includes cleaning, decontamination, storage, inspection, maintenance, repair and other links. 3.4 Wearing and using personal protective equipment such as protective clothing to prevent workers from coming into contact with open flames, heat sources or high-temperature materials at the work site The process of being harmed by other hazardous factors. Note. This includes but is not limited to protection against hazardous factors such as open flames, short-term flame flashover, flying molten metal, arc heat release, high-temperature objects and high-temperature heat sources. ......

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