GB14371-2024

Dangerous goods—Requirements of the hazard classification procedure and compatibility for explosives

危险品爆炸品的认可和分项试验程序及配装要求

GB 14371-2024 é uma norma nacional chinesa obrigatória vigente: Dangerous goods—Requirements of the hazard classification procedure and compatibility for explosives. Setor: Químicos. Foco: Segurança de produtos. Entrada em vigor: 1 de set. de 2025.

A aplicabilidade depende do escopo do produto, da via de certificação, dos avisos da autoridade competente e das regras de transição. Solicite uma tradução ou verifique a fonte antes de usar este registro em uma decisão de conformidade.

Visão geral de conformidade

Esta visão geral está disponível por enquanto apenas em inglês.

Escopo e aplicabilidade

This standard establishes the hazard classification procedures and compatibility requirements for explosives and desensitized explosives. It applies to the hazard classification evaluation of various substances or articles with deflagration or explosion characteristics as defined in GB 6944. This standard is mandatory for manufacturers and transporters of explosive goods entering the Chinese market. It does not apply to production process hazards, unpackaged explosive transport, or missile and nuclear weapon hazards.

Requisitos técnicos

The standard defines a systematic procedure for evaluating explosive hazards, categorizing them into six divisions (1.1 to 1.6) based on their mass explosion, projection, and fire hazards. It introduces a comprehensive framework for assigning one of 13 compatibility groups (A to S), ensuring safe storage and transport combinations. Substances must undergo rigorous acceptance and classification tests to determine their final division and compatibility group code. A major update in this version is the inclusion of specific procedures for desensitized explosives, establishing criteria to differentiate them from standard explosives based on decomposition heat and burning rates. The standard also outlines detailed test groups (Series 1 to 9) to assess thermal stability, impact sensitivity, and detonation potential. Any significant changes to a product's formulation or packaging require a complete re-evaluation of its hazard classification.

Métodos de ensaio

The standard mandates a series of structured test groups to evaluate hazards, referencing GB/T 14372 for specific methodologies. Key assessments include thermal stability tests (such as the 75°C SBAT), impact and friction sensitivity tests, and external fire tests. It also specifies detonation and deflagration tests like the UN gap test and Koenen test. For desensitized explosives, a burning rate test is critical to determine if the corrected burning rate exceeds the threshold for explosive classification.

Perguntas frequentes

What products are regulated under GB 14371-2024?

It applies to the hazard classification of various substances or articles with deflagration or explosion characteristics, including explosives and desensitized explosives. It excludes production hazards, unpackaged transport hazards, and missile/nuclear weapon hazards.

Are there any updates from the previous version of GB 14371?

The 2024 version updates the classification procedures for explosives and desensitized explosives. It introduces new test methods, including the 75°C SBAT thermal stability test, Susan impact test, fragility test, and the minimum self-sustaining burning pressure test.

How does GB 14371-2024 differ from international UN standards?

It aligns with the UN hazard classification system for explosives, categorizing items into divisions 1.1 to 1.6 and 13 compatibility groups. However, it is specifically tailored for Chinese regulatory compliance and references domestic standards like GB 6944 for implementation.

The summary above provides a high-level overview of GB 14371-2024. To ensure complete compliance for your explosive products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 14371-2024 today to access all detailed parameters, classification flowcharts, and testing procedures.

Indicações de aplicabilidade

Tipo: Gestão
CCS: A87
ICS: 13.300, 71.100.30
Órgão competente: Standardization Administration of China
Comitê técnico: National Technical Committee on Hazardous Chemicals Management of Standardization Administration of China

Relações

Substitui:GB 14371-2013