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GB 23463-2025: Protective clothing - Protective clothing against microwave radiation
Status: Valid
GB 23463: Historical versions
| Standard ID | USD | BUY PDF | Lead-Days | Standard Title (Description) | Status |
| GB 23463-2025 | 319 |
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Protective clothing - Protective clothing against microwave radiation
| Valid |
| GB/T 23463-2009 | 279 |
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Protective clothing -- Protective clothing against microwave radiation
| Valid |
Basic data
Standard ID: GB 23463-2025 (GB23463-2025)
Description (Translated English): Protective clothing - Protective clothing against microwave radiation
Sector / Industry: National Standard
Classification of Chinese Standard: C73
Classification of International Standard: 13.340.10
Word Count Estimation: 16,183
Date of Issue: 2025-08-29
Date of Implementation: 2026-09-01
Older Standard (superseded by this standard): GB/T 23463-2009
Issuing agency(ies): State Administration for Market Regulation; Standardization Administration of China
GB 23463-2025: Protective clothing - Protective clothing against microwave radiation
---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/GB23463-2025
ICS 13.340.10
CCSC73
National Standards of the People's Republic of China
Replaces GB/T 23463-2009
Microwave radiation 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.Technical Requirements 2
5.Test Methods 3
6.Identification 3
7.Information provided by the manufacturer 4
Appendix A (Normative) Shielding Effectiveness Test Method 5
Appendix B (Normative) General Requirements for Human Body Models 9
Reference 11
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 23463-2009 "Protective Clothing - Microwave Radiation Protective Clothing". Compared with GB/T 23463-2009, except for the following.
Aside from structural adjustments and editorial changes, the main technical changes are as follows.
---The scope has been changed (see Chapter 1, Chapter 1 of the.2009 edition);
---Added terms and definitions for "microwave," "dynamic range," and "human model" (see 3.1~3.3);
---The terms and definitions of "occupational exposure" and "exposure limits" have been removed (see 3.1 and 3.2 in the.2009 edition);
---The protection levels have been changed (see Table 1, Table 2 in the.2009 edition);
---The testing method for shielding effectiveness has been changed (see 5.1, 5.1 and 5.13 in the.2009 version);
---The requirements for marking have been changed (see Chapter 6, Chapter 6 of the.2009 edition);
---Rename Appendix A to "Shielding Effectiveness Test Methods" (see Appendix A, Appendix A of the.2009 edition);
---A normative appendix, "General Requirements for Human Models," has been added (see Appendix B).
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/T 23463-2009;
---This is the first revision.
Microwave radiation protective clothing
1.Scope
This document specifies the technical requirements, labeling, and manufacturing requirements for microwave radiation protective clothing applicable to the frequency range of 300MHz~40GHz.
The information provided by the vendor describes the testing method.
This document applies to reflective microwave radiation protective clothing produced using methods such as metal fiber blending and fabric metallization. It also applies to...
Microwave-absorbing protective clothing that uses microwave-absorbing materials to attenuate microwave radiation.
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 3920 Textiles - Tests for color fastness - Color fastness to rubbing
GB/T 3921 Textiles - Tests for color fastness - Color fastness to washing
GB/T 3923.1 Textiles - Tensile properties of fabrics - Part 1.Determination of breaking strength and elongation at break (strip method)
GB/T 12190-2021 Measurement Method for Shielding Effectiveness of Electromagnetic Shielding Room
GB/T 12903 Terminology for Personal Protective Equipment
GB.20097 General Technical Specification for Protective Clothing
GB/T 21294 Test methods for physical and chemical properties of clothing
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
microwave
Electromagnetic waves with frequencies in the range of 300MHz to 300GHz.
Note. Microwaves include pulsed microwaves and continuous microwaves.
3.2
dynamic range
The amplitude range of the receiving system operating in the linear region is equal to the difference between the maximum and minimum signal values.
3.3
human model phantommanmodel
Made of low-loss, low-dielectric-constant electromagnetic wave-transparent material, this complete plastic dummy includes a head, torso, and limbs.
3.4
Under the same electromagnetic field environment and detection location, the electric field strength E0 at a certain point on the human model when not wearing microwave radiation protective clothing is different from that when wearing it.
The electric field strength E1 after wearing microwave radiation protective clothing is compared and expressed logarithmically.
SE=20lg
E0
E1
(1)
In the formula.
SE --- Shielding effectiveness, measured in decibels (dB);
E0 --- Electric field strength when not wearing microwave radiation protective clothing, measured in volts per meter (V/m);
E1 --- Electric field strength when wearing microwave radiation protective clothing, measured in volts per meter (V/m).
4.Technical Requirements
4.1 General Requirements
4.1.1 Microwave radiation protective clothing shall be sized according to the provisions of GB.20097.If the size is outside the range, the size shall be adjusted according to the difference.
4.1.2 Microwave radiation protective clothing should not have exposed metal parts, such as metal buttons, zippers, metal signs, etc.
Note. This is to prevent metal parts from induced high potential differences under strong electric fields, which could lead to discharge.
4.1.3 Microwave radiation protective clothing should be individually sealed and contain antioxidants.
Note. To prevent the metal layer of metallic textiles from oxidizing during storage and transportation.
4.2 Structure and Appearance
4.2.1 Microwave radiation protective clothing should be simple and practical in style, and the following styles should be adopted according to specific usage requirements.
a) Full-body shielding protective suit;
Note 1.Full-body shielding protective suits can be equipped with head coverings, visual goggles, gloves, and shoes and socks.
b) Split-type shielding protective suit;
Note 2.The split shielding protection includes the top and pants.
c) Partial shielding protective clothing.
Note 3.Partial shielding protective clothing generally includes styles such as gowns, vests, and aprons.
4.2.2 Full-body protective suits and two-piece protective suits should minimize openings, seams, and gaps/holes. Two-piece protective suits
The overlap between the hem of the top and the waistband of the trousers should be greater than 20cm.
4.3 Technical Requirements
4.3.1 The protective performance of microwave radiation protective clothing is divided into 5 levels according to shielding effectiveness, and should meet the requirements of Table 1.
Table 1.Protection performance levels of microwave radiation protective clothing
Protection rating and shielding effectiveness (SE/dB)
Ⅰ 6≤SE< 10
II. 10≤SE< 20
Ⅲ 20≤SE< 30
IV 30≤SE< 40
V SE≥40
4.3.2 The shielding effectiveness of the fabric of microwave radiation protective clothing should not be lower than that of the finished garment.
4.3.3 In full-body shielding protective suits, the electromagnetic shielding materials used in the headgear, gloves, shoes, and socks should have a shielding effectiveness of no less than [a certain level].
For the main functional materials of the clothing; the transparent part of the goggles should have a shielding effectiveness of not less than 30dB.
4.3.4 The physical and chemical properties of microwave radiation protective clothing shall meet the requirements specified in Table 2.
......
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