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GB/T 2812-2024 English PDF

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GB/T 2812-2024: Head protection - General test methods
Status: Valid

GB/T 2812: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 2812-2024English759 Add to Cart 6 days [Need to translate] Head protection - General test methods Valid GB/T 2812-2024
GB/T 2812-2006English369 Add to Cart 3 days [Need to translate] Test method of safety helmet Valid GB/T 2812-2006
GB/T 2812-1989English199 Add to Cart 2 days [Need to translate] Test method for safety helmet Obsolete GB/T 2812-1989

PDF similar to GB/T 2812-2024


Standard similar to GB/T 2812-2024

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Basic data

Standard ID GB/T 2812-2024 (GB/T2812-2024)
Description (Translated English) Head protection - General test methods
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard C73
Classification of International Standard 13.340.20
Word Count Estimation 38,376
Date of Issue 2024-12-31
Date of Implementation 2025-07-01
Older Standard (superseded by this standard) GB/T 2812-2006
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 2812-2024: Head protection - General test methods

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 13.340.20 CCSC73 National Standard of the People's Republic of China Replaces GB/T 2812-2006 General test methods for head protection Released on 2024-12-31 2025-07-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Head model 1 4.1 Impact force test head model 1 4.2 Wearing the test head model 1 4.3 Acceleration test head model 2 4.4 Selection of head model 2 5 Preprocessing 2 5.1 Temperature pretreatment 2 5.2 UV irradiation pretreatment 5 5.3 Antistatic performance pretreatment 5 6 Test Environment 5 7 Test Method 5 7.1 Structure and size test 5 7.2 Quality Test 6 7.3 Visual Field Test 6 7.4 Wearing stability test 7 7.5 Dynamic strength test of wearing system 9 7.6 Chin strap strength test 10 7.7 Impact absorption performance test 11 7.8 Impact acceleration performance test 12 7.9 Puncture resistance test 14 7.10 Lateral rigidity test 15 7.11 Flame retardant performance test 16 7.12 Electrical insulation performance test 17 7.13 Antistatic performance test 19 7.14 Chemical resistance test 19 7.15 Extremely low temperature resistance test 20 7.16 Extremely high temperature resistance test 20 7.17 Molten metal splash resistance test 20 Appendix A (Normative) Technical requirements for impact force test headform 22 A.1 Head mold structure and material 22 A.2 Head mold layer height and size 22 A.3 Verification of headform dimensions 24 Appendix B (Normative) Headform shape and dimensions above the reference plane 25 Appendix C (Normative) Headform shape and dimensions below the reference plane 29 Reference 33

Foreword

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. This document replaces GB/T 2812-2006 "Safety Helmet Test Methods". Compared with GB/T 2812-2006, in addition to structural adjustments and In addition to editorial changes, the main technical changes are as follows. a) The scope of application has been changed (see Chapter 1, Chapter 1 of the.2006 edition); b) Added a chapter on “Terms and Definitions” (see Chapter 3); c) Added wearing test head model (see 4.2); d) Added acceleration test head model (see 4.3); e) Added extremely high temperature pretreatment (see 5.1.6); f) The temperature and humidity of the test environment have been changed (see Chapter 6, 3.3 of the.2006 edition); g) Added structure and size tests (see 7.1); h) Added quality test (see 7.2); i) Visual field test was added (see 7.3); j) Added wearing stability test (see 7.4); k) Added dynamic strength test of wearing system (see 7.5); l) Added shock acceleration performance test (see 7.8); m) The lateral rigidity test has been modified (see 7.10, 4.8 of the.2006 edition); n) The electrical insulation performance test has been changed (see 7.12, 4.7 of the.2006 edition); o) Added chemical resistance test (see 7.14); p) Added extreme high temperature resistance test (see 7.16); q) Added the molten metal splash resistance test (see 7.17). 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 by the Ministry of Emergency Management of the People's Republic of China. This document is under the jurisdiction of the National Technical Committee for Standardization of Personal Protective Equipment (SAC/TC112). This document was drafted by. Institute of Urban Safety and Environmental Sciences, Beijing Academy of Science and Technology, MSA (China) Safety Equipment Co., Ltd. Company, Beijing Huiyuan Co., Ltd., Zhejiang Naite Technology Co., Ltd., Beijing Lida Plastic Manufacturing Co., Ltd., Qingdao Zhongke Hengwei Intelligent Technology Co., Ltd., Hubei Hongtu Instrument Co., Ltd. The main drafters of this document are. Xu Chao, Chen Zhuowei, Sheng Haitao, Wu Chunmei, Xiang Haitao, Jiang Xuri, Zhang Dongwei, Hao Baoguo and Li Jianhua. The previous versions of this document and the documents it replaces are as follows. ---First published as GB/T 2812-1989 in 1989 and first revised in.2006; ---This is the second revision. General test methods for head protection

1 Scope

This document describes the preparation, headform, test environment and test methods for head protective equipment. This document applies to industry, rescue (production safety accidents in industrial, mining and commercial enterprises, road traffic accidents, natural disasters) and related Testing of head protection equipment used in industry. This document is not applicable to the testing of head protection equipment used in traffic commuting, sports, fire fighting and rescue.

2 Normative references

This document has no normative references.

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Basic plane basicplane A plane passing through the center of the left and right external ear holes and the lower edge of the orbit of the test head shape. [Source. GB 811-2022, 3.10] 3.2 reference plane A plane parallel to the base plane and at a certain distance above the base plane. [Source. GB 811-2022, 3.11] 3.3 Symmetry plane vertical median plane A longitudinal plane passing through the apex of the headform, perpendicular to the base plane and dividing the test headform into two symmetrical parts. [Source. GB 811-2022, 3.12] 3.4 Headforms A head model that simulates the geometric shape and mechanical properties of the human head when testing head protective equipment.

4 Head Model

4.1 Impact test head model 4.1.1 The mass of the headform and connecting parts is 5.0kg±0.1kg. 4.1.2 The head mold is divided into 1

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