1, speed: the explosive has a high explosion speed, which can complete the explosion process in an instant and release a lot of energy.

2. Strong shock wave: the high-speed gas and debris generated by the explosion spread around at a very high speed, forming a strong shock wave, causing harm to people and things around.

3. Explosive refers to any substance that produces a lot of gas and heat through chemical reaction and can produce explosive effect. Common explosives include explosives, detonators, fireworks and firecrackers. , and dust, combustible gas, fuel oil, sawdust and other substances that cause explosion under certain conditions also belong to explosives.