GB/T 45218-2025Dangerous goods — Test method for thermal explosion in the package with self-reactive substances and organic peroxides (English PDF)

危险货物自反应物质和有机过氧化物包装件热爆炸试验方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

January 24, 2025

Implementation date

May 1, 2025

Scope

GB/T 45218-2025 is the English-translated version of 危险货物自反应物质和有机过氧化物包装件热爆炸试验方法.

GB/T 45218-2025 is the Chinese national standard covering whether a package of an organic peroxide or a self-reactive substance can run away into a thermal explosion — the apparatus and the thermocouples that follow the temperature inside the package, the preparation of the filled package, the heating procedure, the observation of the event, and the assessment of the result that says whether the substance can be carried in that package. A substance that stays stable in a bottle can still explode in a drum, because the heat it makes has further to travel before it escapes. First edition, in force from 1 May 2025. Issued on 24 January 2025, it has been in force since 1 May 2025.

Document preview — GB/T 45218-2025

National Standard of the People's Republic of China

ICS: 13.300
Classification: A 80

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and definitions
3.1 explosion
3.2 thermal explosion
3.3 Organic peroxide

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.

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 National Technical Committee for Hazardous Chemicals Management Standardization (SAC/TC251).

This document was drafted by: Nanjing University of Science and Technology, Anhui University of Science and Technology, Changzhou University, North University of China, Nanjing Vocational College of Information Technology, China Inspection and Quarantine Bureau Source Jiangsu Technology Service Co., Ltd., China Petroleum and Chemical Industry Federation, Jiangsu Qiangsheng Functional Chemical Co., Ltd., Jiangmen City Ying Fine Chemicals Co., Ltd.

The main drafters of this document are: Zheng Wenfang, Zheng Jian, Yao Jian, Kang Limin, Xu Sen, Zhang Yu, Fang Mingkun, Jia Xin, Shi Chunrong, Gu Xiaoqing, Xie Yutong, Zhang Huaiting, Chen Yuan, Cao Weiguo, Li Yuyan, Qiu Shanshan, Zhong Qian, Yang Nian, Cao Mengran, Chen Yiwen, Chen Dan, Xia Yonghong.

Dangerous Goods Self-reactive substances and organic peroxides Thermal explosion test method for packages Warning---People who use this document should have practical experience in formal laboratory work. Special attention should be paid to the test process involving explosives.

The use of the equipment requires relevant qualifications and site conditions or entrusting an organization with relevant conditions to operate it. This document does not indicate all possible safety hazards.

It is the user's responsibility to take appropriate safety and health measures.

1 Scope

This document describes the principles, equipment and materials, test preparation, test procedures, and test procedures for thermal explosion tests on packages of self-reactive substances and organic peroxides. Steps and results assessment.

This document is applicable to the assessment of the thermal explosion potential of self-reactive substances and organic peroxides in packages.

2 Normative references

GB/T 21535-2008

GB 30000.9-2013

GB 30000.16-2013

GB/T 30429

3 Terms and definitions

The terms and definitions defined in GB/T 21535-2008, GB 30000.9-2013 and GB 30000.16-2013 and the following terms and definitions apply This document.

3.1 explosion

In a very short time, a large amount of energy is released, high temperature is generated, and a large amount of gas is released, causing a chemical reaction or state change of high pressure in the surrounding area. phenomenon of.

[Source. GB/T 21535-2008, 2.14]

3.2 thermal explosion

When a substance is stimulated by heat, it undergoes a chemical reaction, releasing a large amount of energy, generating high temperatures, and releasing a large amount of gas, causing high pressure or The phenomenon of state change.

3.3 Organic peroxide

Liquid containing a divalent -OO- structure, which can be regarded as a derivative in which one or two hydrogen atoms of hydrogen peroxide have been replaced by organic groups solid or organic matter.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of GB/T 45218

Edition	Title	Revision	Status
GB/T 45218-2025	Dangerous goods - Test method for thermal explosion in the package with self-reactive substances and organic peroxides	current edition	Current

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