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GB 38300-2025: Protective clothing - Ensembles and garments for protection against cold
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GB 38300: Evolution and historical versions
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| GB 38300-2025 | English | 279 |
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Protective clothing - Ensembles and garments for protection against cold
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GB 38300-2025
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| GB/T 38300-2019 | English | 190 |
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Protective clothing - Ensembles and garments for protection against cold
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PDF similar to GB 38300-2025
Basic data
| Standard ID | GB 38300-2025 (GB38300-2025) |
| Description (Translated English) | Protective clothing - Ensembles and garments for protection against cold |
| Sector / Industry | National Standard |
| Classification of Chinese Standard | C73 |
| Classification of International Standard | 13.340.10 |
| Word Count Estimation | 14,144 |
| Date of Issue | 2025-08-29 |
| Date of Implementation | 2026-09-01 |
| Older Standard (superseded by this standard) | GB/T 38300-2019 |
| Issuing agency(ies) | State Administration for Market Regulation; Standardization Administration of China |
GB 38300-2025: Protective clothing - Ensembles and garments for protection against cold
---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/GB38300-2025
ICS 13.340.10
CCSC73
National Standards of the People's Republic of China
Replaces GB/T 38300-2019
Protective clothing and cold-weather 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 Contents
Preface III
1.Scope 1
2 Normative References 1
3.Terms and Definitions 1
4.Technical Requirements 2
5.Test Methods
6.Identification 6
7.Information provided by the manufacturer
Appendix A (Informative) Thermal Resistance Values of Standard Matching Garments Used for Testing Cold-Weather Clothing 8
References 9
Foreword
This 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 replaces GB/T 38300-2019 "Protective Clothing - Cold Environment Protective Clothing". Compared with GB/T 38300-2019, except for the structure...
Aside from adjustments and editorial changes, the main technical changes are as follows.
---The terms "comprehensive effective thermal resistance," "demand thermal resistance," "air permeability," and "hydrostatic resistance" have been removed (see sections 3.7, 3.8, 3.10, and 3.10 of the.2019 edition).
3.11) added the terms "total thermal resistance" and "air thermal resistance" (see 3.5 and 3.6);
---The method for representing effective thermal resistance levels has been changed (see Table 1, Table 2 in the.2019 version);
---The breathability rating numbering has been changed (see Table 2, Table 3 in the.2019 edition);
---The tear strength requirement has been changed (see 4.6.2,.2019 version 4.6);
---Requirements for breaking strength, bursting strength, flexural endurance, dimensional change rate, and filler have been added (see 4.6.3~4.6.6, 4.8);
---Requirements for lightfastness and washfastness have been added (see Table 5);
---The effective thermal resistance calculation model has been revised (see Appendix A of the.2019 edition, 5.1);
---Information such as fabric and filling composition and product expiration date has been added to the label (see Chapter 6).
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.2019 as GB/T 38300-2019;
---This is the first revision.
Protective clothing and cold-weather suits
1.Scope
This document specifies the technical requirements, labeling, and manufacturer-provided information for cold-weather clothing, and describes the testing methods.
This document applies to cold-weather protective clothing used by personnel to avoid frostbite and other hazards when working in cold environments.
This document does not apply to clothing not intended for occupational safety and health purposes.
2 Normative references
The 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 3917.3-2025 Textiles - Tear Properties of Fabrics - Part 3.Determination of Tear Strength of Trapezoidal Specimens
GB/T 3921-2008 Textiles - Tests for color fastness - Color fastness to washing
GB/T 3923.1-2013 Textiles - Tensile Properties of Fabrics - Part 1.Determination of Breaking Strength and Elongation at Break (Strip Samples)
Law)
GB/T 4744-2013 Test and evaluation of water resistance of textiles - hydrostatic pressure method
GB/T 5453-2025 Textiles - Determination of air permeability of fabrics
GB/T 7742.1-2005 Textiles - Bursting Properties of Fabrics - Part 1.Determination of Bursting Strength and Bursting Expansion
Pressing method
GB/T 8427-2019 Textiles - Tests for color fastness - Color fastness to artificial light. Xenon arc
GB/T 8628-2013 Preparation, marking and measurement of fabric samples and garments in tests for determining dimensional changes in textiles.
GB/T 8629-2017 Home Washing and Drying Procedures for Textile Testing
GB/T 8630-2013 Determination of dimensional changes of textiles after washing and drying
GB/T 11048-2018 Determination of thermal and moisture resistance of textiles under steady-state conditions for physiological comfort (evaporative hot plate method)
GB/T 12903-2008 Terminology for Personal Protective Equipment
GB/T 14272-2021 Down Garments
GB/T 18398-2001 Test Method for Thermal Resistance of Clothing - Warm-body Dummy Method
GB 18401-2010 National Basic Safety Technical Specifications for Textile Products
GB/T 19981.2-2014 Textiles - Professional care, dry cleaning and wet cleaning of fabrics and garments - Part 2.Use of tetrachloroethylene
Procedures for performance testing during dry cleaning and ironing
GB.20097-2025 General Technical Specification for Protective Clothing
FZ/T 01143-2018 Test Method for Low-Temperature Folding Resistance of Coated Fabrics
HG/T 2581.1-2022 Determination of tear resistance of rubber or plastic coated fabrics - Part 1.Constant rate tearing method
3.Terms and Definitions
The terms and definitions defined in GB/T 12903-2008, as well as the following terms and definitions, apply to this document.
3.1
Synthetic temperature
A comprehensive characterization of the cooling effects of air temperature and wind.
Note. The overall temperature is measured in Celsius.
3.2
cold environment
An environment with a comprehensive temperature below -5℃.
3.3
ensemble
This includes combinations of two, one (bodysuit), or multiple garments.
3.4
Icle
Thermal resistance from skin to the outer surface of a single garment or suit under static conditions.
Note. The value is expressed in Clo, 1 Clo = 0.155 m2·K/W.
3.5
It
Thermal resistance between the skin surface and the environment.
Note. Includes the effective thermal resistance of the clothing and the thermal resistance of the surface air layer.
3.6
Ia
Under specified conditions, the air thermal resistance of the surface of the warm body dummy test assembly is measured.
3.7
outer shelmaterial
The outermost material of the protective suit.
3.8
Water-vapor resistance
Ret
The ratio of the water vapor pressure difference between the two sides of the sample to the evaporation heat flow per unit area passing perpendicularly through the sample.
Note. Evaporative heat flow may be transferred by one or more forms of diffusion and convection.
4.Technical Requirements
4.1 Structural Design and Comfort Requirements
The structural design and comfort of cold-weather clothing should meet the requirements of GB.20097-2025.
4.2 Clothing Size
Clothing size design should comply with the requirements of GB.20097-2025.
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