At a Glance
coal miner loading a drill hole with an explosive
A coal miner loading a drill hole with a water gel explosive called Tovex.
explosive
chemical product
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 chemical explosives may be undesirable, but otherwise is very little used....