are prepackaged products consisting of two separate components, usually an oxidizer like ammonium nitrate and a fuel such as aluminum or another metal, according to the federal Bureau of Alcohol, Tobacco, Firearms and Explosives.
Sold under several brand names such as Tannerite and Shockwave, exploding targets are classified as binary explosives. Binary explosives are those which are comprised of two separate chemicals, neither of which are considered explosives by themselves, but create an explosive mixture when combined.
* Never mix binary explosives until you are at the range, ready to shoot.
"Terrorist threats have shifted significantly from conventional explosive devices to modern binary explosives
which are more difficult to detect," he added.
While too narrow a detection window may exclude novel or binary explosives
and therefore increase risk, (9) too wide a detection window, in an attempt to detect all possible explosives, will likely increase the rate of false positives and innocuous true positives.