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Explosive chemical product Britannica

Explosive chemical product Britannica

Explosive, any substance or device that can be made to produce a volume of rapidly expanding gas in an extremely brief period. There are three fundamental types mechanical, nuclear, and chemical. A mechanical explosive is one that depends on a physical reaction, such as overloading a container with compressed air.Such a device has some application in mining, where the release of gas from ...

Explosive chemical product Britannica

Explosive chemical product Britannica

It became popular in a short time because, although it did not produce as high a quality explosive as potassium nitrate, it was suitable for most mining and construction applications and was much less expensive. To distinguish between them, the potassium nitrate and sodium nitrate versions came to be known as A and B blasting powder respectively.

Explosives and Mining Oregon Gold

Explosives and Mining Oregon Gold

Keeping it Legal. Explosives used in the United States are regulated by the Bureau of Alcohol, Tobacco, Firearms amp Explosives ATF. After a criminal background check, an interview from an ATF Agent and a 100, you can have a Type 33 Permit that will allow you to purchase, store, transport and use explosive materials. Larger operations may choose a Type 20 License which also allows the ...

Expansive Rock Breaking NonExplosive Demolition Agent

Expansive Rock Breaking NonExplosive Demolition Agent

Explosives are often used in demolition, mining, and quarrying, but pose significant safety risks. Non-explosive demolition agents are an alternative to explosives in demolition, mining, and quarrying. Non-explosive demolition agents offer many advantages over conventional explosive products.

Fatal Accidents Due To Flyrock And Lack Of Blast Area

Fatal Accidents Due To Flyrock And Lack Of Blast Area

Explosive and blasting agents are used in mining, quarrying, construction, and other activities where rock fragmentation is essential for the success of the project. About 5.25 billion pounds of explosives were used in the United States during 2001. Out of this, coal and nonmetal mining consumed about 4.29 billion pounds USGS, 2003.

Quarrying of Stones Its Methods Selection of Site

Quarrying of Stones Its Methods Selection of Site

The hole is generally filled from 13 to 12 its depth with the explosive. iv The hole is then summed. Stemming consists of filling the remaining 23 to 12 depth of blast-hole above the last compacted layer of explosive with inert and non-combustible material like powdered clay, rock and, sand. This is also done in installments.