What are the 3 types of explosives?
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.
What is an example of a high explosive?
High Explosives – explosive materials that can be caused to detonate by means of a blasting cap. A few examples of high explosives would be boosters, detonators, dynamite, water gels/slurries, and emulsions.
Why is it called high explosive?
Explosive materials may be categorized by the speed at which they expand. Materials that detonate (the front of the chemical reaction moves faster through the material than the speed of sound) are said to be “high explosives” and materials that deflagrate are said to be “low explosives”.
What are primary high explosives?
Primary High Explosives Among the high explosives, primary explosives are those that ultrasensitive to heat, shock, or friction and provide the major ingredients found in blasting caps or primers used to detonate other explosives. Examples include nitroglycerine, and mercury fulminate & lead styphnate.
What defines a high explosive?
Definition of high explosive : an explosive (such as TNT) that generates gas with extreme rapidity and has a shattering effect.
What is the difference between high explosives and low explosives?
“High explosives” detonate, whereas “low explosives” deflagrate or burn. A high-explosives detonation provides both shock, which fractures (or breaks) the rock, and force (in the form of gas products), which heaves and displaces the fractured rock.
What are some common uses of plastic explosives?
A common commercial use of plastic explosives is for shock hardening high manganese percentage steel, a material typically used for train rail components and earth digging implements. Reactive armor in tanks uses plastic explosives sandwiched between two plates of steel.
What is an example of a plastic bomb?
One of the simplest plastic explosives was Nobel’s Explosive No. 808, also known as Nobel 808 (often just called Explosive 808 in the British Armed Forces during the Second World War ), developed by the British company Nobel Chemicals Ltd well before World War II.
What are explosives and how do they work?
Explosives are chemical mixtures or compounds that, when subjected to heat, impact, or shock, are capable of undergoing a rapid decomposition that releases heat and gases, which, in turn, expand to form high pressures.