Safety explosives before World War

Certain types of safety explosives were designed on the basis of a number of tests, although until recently there were considerable differences in the composition of these explosives in different countries. This was due to different working conditions in mines, different methods for testing the safety of explosives etc. 

After World War II some standardization in composition was achieved largely as the result of international cooperation. The annual International Conferences of Directors of Safety in Mines Research greatly contributed to this. 

The first safety explosives produced in France are tabulated below  

Name Nitroglycerine Nitrocellulose Ammonium nitrate Potassium nitrate 

These explosives are characterized by an absence of cooling substances even when intended for use in coal mining. In a number of countries they were considered dangerous. 

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Research on the safely of mining explosives Safety explosives before World War II Conditions of shotfiring in mines Mining explosives used during Wcirfd War f Research after World W ar I The flame of explosion The effect of solid particles Shock wave... 

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