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Protective clothing - Protective clothing against particles
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GB 46310-2025
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Basic data | Standard ID | GB 46310-2025 (GB46310-2025) | | Description (Translated English) | Protective clothing - Protective clothing against particles | | Sector / Industry | National Standard | | Classification of Chinese Standard | C73 | | Classification of International Standard | 13.340.10 | | Word Count Estimation | 26,229 | | Date of Issue | 2025-08-29 | | Date of Implementation | 2026-09-01 | | Issuing agency(ies) | State Administration for Market Regulation; Standardization Administration of China | GB 46310-2025: Protective clothing - Protective clothing against particles---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/GB46310-2025
ICS 13.340.10
CCSC73
National Standards of the People's Republic of China
Protective clothing, particulate protective clothing
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.Classification and Codes 2
5.Technical Requirements 3
6.Test Methods 9.
7.Labeling and information to be provided by the manufacturer 10
Appendix A (Normative) Practical Performance Test Methods for Protective Clothing 11
Appendix B (Normative) Test Method for Inward Leakage Rate of Particulate Protective Clothing 12
Appendix C (Normative) Test Method for Flammability of Fabrics (Single-Nozzle Dynamic Method) 19
References 21
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.
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.
Protective clothing, particulate protective clothing
1.Scope
This document specifies the classification and codes, technical requirements and markings, and information that manufacturers should provide for particulate protective clothing. It also describes the testing procedures.
method.
This document applies to protective clothing that reduces the harm of hazardous particulate matter to the wearer.
This document does not apply to protective clothing for protection against volatile or penetrating toxic gases or liquids, nor does it apply to protection against ionizing radiation or medical procedures.
Protective clothing used during diagnosis and treatment.
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 Textiles - Tear Properties of Fabrics - Part 3.Determination of Tear Strength of Trapezoidal Specimens
GB/T 3923.1 Textiles - Tensile properties of fabrics - Part 1.Determination of breaking strength and elongation at break (strip method)
GB/T 4744 Test and evaluation of water resistance of textiles - hydrostatic pressure method
GB/T 4745-2012 Test and evaluation of water-repellent properties of textiles - Wet test
GB/T 11048 Determination of thermal and moisture resistance of textiles under steady-state conditions for physiological comfort (hot plate evaporation method)
GB 12014-2019 Protective Clothing - Antistatic Clothing
GB/T 12586-2003 Determination of the resistance to flexural breakdown of rubber or plastic coated fabrics
GB/T 12704.1 Textiles - Test methods for moisture permeability of fabrics - Part 1.Moisture absorption method
GB/T 12903 Terminology for Personal Protective Equipment
GB/T 13773.2 Textiles - Tensile properties of seams in fabrics and their products - Part 2.Determination of seam strength by the gripping method
GB/T 20654 Test methods for puncture resistance and dynamic tear resistance of mechanical properties materials for protective clothing
GB/T 21196.2 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 24539 Protective Clothing - Chemical Protective Clothing
ISO 16603.2004 Protective clothing materials—Test method for resistance to penetration by blood and body fluids (synthetic blood test)
3.Terms and Definitions
The terms and definitions defined in GB/T 12903 and the following terms and definitions apply to this document.
3.1
particulate matter
Solid, liquid, or a mixture of solid and liquid particulate matter suspended in the air.
Note. Such as dust, smoke, fog and microorganisms.
3.2
Synthetic blood
A mixture of amaranth red dye, surfactant, thickener, inorganic salt, and distilled water has surface tension and viscosity similar to blood and some other substances.
body fluid.
Note. The synthetic blood in this document does not simulate all the properties of real blood or body fluids, such as color, coagulation, and cytoplasmic content.
[Source. ISO 16603.2004, 3.7, modified]
3.3
inward leakage rate
Under specified test conditions, the concentration of the simulant leaking into the protective suit from various parts, including the seams, was compared with the concentration simulated in the test environment.
The ratio of reagent concentration.
Note 1.Ljmn, 82/90.Inward leakage rate expressed as a percentage. 82/90 refers to the number of leakage rate scores, arranged in ascending order, and taking the [number]th score.
82 inward leakage rates, including inward leakage rates for all test actions, sampling points, and protective clothing.
Note 2.LS, 8/10.Total inward leakage rate of each protective suit. 8/10 refers to the 8th highest total inward leakage rate of all 10 protective suits, arranged in ascending order.
A number.
3.4
Water-vapor resistance
The ratio of the water vapor pressure difference between two surfaces of a material to the evaporative heat flux generated per unit area along the gradient direction.
Note 1.Moisture resistance determines the potential evaporative heat flux when a stable water vapor pressure gradient exists in a given region. The evaporative heat flux may be generated by diffusion and relativistic forces.
Flow formation.
Note 2.The unit is kilopascals per square meter per watt (kPa·m2/W).
[Source. ISO 11092.2014, 2.2, modified]
3.5
Full-body protective clothing to protect the skin from exposure to or contact with harmful particulate matter in the workplace.
3.6
Full-body protective clothing that protects against harmful biological particulate matter in the workplace, protecting the skin from exposure or contact with it.
3.7
Protect your workplace from radioactive particulate matter in the air, and protect your skin from exposure or contact with radioactive particulate matter.
Sexually protective clothing.
Note. Positive pressure protective clothing that provides internal ventilation and clean air is not included.
3.8
Full-body protective clothing worn by personnel during emergency rescue and response to protect against harmful particulate matter and protect the skin from exposure or contact with it.
4.Classification and Codes
Particulate protective clothing is classified into four categories based on its protective function and application. The classification and codes are as follows.
---Industrial particulate protective clothing, category code. K-1;
---Biological particulate protective clothing, category code. K-2;
---Emergency particulate protective clothing, category code. K-3;
---Radioactive particulate matter protective clothing, category code. K-4.
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