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Interpretation of the Classification of Danger Levels of Fireworks and Firecrackers for Export

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1、 Significance of Classification of Danger Levels of Fireworks and Firecrackers for Export
In order to further improve the safety awareness of the transportation of export fireworks and firecrackers, this paper interprets the Classification Method for the Hazard Classification of Export Fireworks and Firecrackers (SN/T 1727-2006) in combination with the requirements of customs supervision, and we will learn about the significance of the classification of the hazard classification of export fireworks and firecrackers, the overview of the hazard classification, the method of hazard classification test, and the determination of the results.
2、 Overview of the Classification of the Danger Levels of Fireworks and Firecrackers for Export
Explanation of terms
(1) Category: explosives are classified according to their hazard level. Currently, they are divided into 1.1, 1.2, 1.3, 1.4, 1.5 and 1.6 internationally.
(2) Packing group: If two or more substances or products are stored or transported together, which will not increase the probability of accidental accidents, and the same transportation volume will not increase the hazard of such accidents, these goods can be classified as the same packing group. Fireworks and firecrackers are classified into two assembly groups, G and S. Unless the products are classified into 1.4S through the test, all fireworks and firecrackers products belong to Group G.
(3) Overall explosion: explosion of all substances or products at the same time.
Classification principle
Through the hazard classification test, fireworks and firecrackers are classified into the following four items from high to low according to their explosion hazard:
Item a1.1: Products with overall explosion risk (overall explosion refers to the explosion that actually affects almost all loads instantaneously).
Item b1.2: products with explosion hazard but no overall explosion hazard.
Item c1.3: There is a burning hazard and a local explosion hazard, a local ejection hazard or both, but there is no overall explosion hazard product.
Item d1.4: products that do not present significant hazards, including:
——Products with only minor hazards once ignited or triggered during transportation. Its impact is mainly limited to the package itself, and it is estimated that the fragments emitted are not large and the range is not far. External fire will not cause instant explosion of almost all contents of the package.
——The condition for inclusion in packing group S is that its packaging or design can limit any hazardous effects caused accidentally to the package, unless the package is burnt; If the package is burnt, all explosion or ejection effects are limited, which will not cause significant hindrance to fire fighting or taking other emergency measures in the immediate vicinity of the package.
The summary is as follows:
 
Note: Since the standard of assembly group S is a standard based on experiment, it must pass the test required by item 1.4 if it is included in this assembly group.
 
Fireworks and firecrackers transport label