It was initially used in explosives as a gelling agent in slurry explosive
or as an additive to dynamite.
What they call slurry explosives
have replaced it, which is like a porridge, based on ammonium nitrate and a few other ingredients.
Sodium perchlorate is used in the manufacture of slurry explosives
. Ammonium perchlorate is widely used as a component of propellants for rockets, missiles, and fireworks (Soldin et al.
In the United States ammonium perchlorate is used as an oxidizer in solid rocket propellant, sodium perchlorate is used in slurry explosives
and potassium perchlorate is used in road flares and air bag inflators.
Holes were charged with slurry explosives
from the drill sills after careful hole measurement and determination of plug and charge lengths, before each blast.