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ANFO (/ ˈ æ n f oʊ / AN-foh) [1] (or AN/FO, for ammonium nitrate/fuel oil) is a widely used bulk industrial high explosive. It consists of 94% porous prilled ammonium nitrate (NH 4 NO 3 ) (AN), which acts as the oxidizing agent and absorbent for the fuel, and 6% number 2 fuel oil (FO). [ 2 ]
After the solution is formed, typically at about 83% concentration, the excess water is evaporated off to leave an ammonium nitrate (AN) content of 95% to 99.9% concentration (AN melt), depending on grade. The AN melt is then made into "prills" or small beads in a spray tower, or into granules by spraying and tumbling in a rotating drum. The ...
1988 Kansas City explosion: On November 29, 1988, at 4:07 AM two trailers containing approximately 23,000 kg (50,000 lb) of the explosive ANFO (ammonium nitrate with fuel oil) exploded at a construction site located near the 87th street exit of Highway 71 in Kansas City, Missouri. The explosives were to be used in the blasting of rock while ...
While ANFO is often made on-site using fertilizer grade ammonium nitrate, blasting agents can also be purchased in prepackaged form, usually in metal or cardboard cylinders. Some brand names of packaged blasting agents include:
ANFO 609 short tons (552 t) White Sands Missile Range 26 October 1983 Minor Scale: ANFO 4,744 short tons (4,304 t) White Sands Missile Range 27 June 1985 Misty Picture: ANFO 4,685 short tons (4,250 t) White Sands Missile Range 14 May 1987 Misers Gold ANFO 2,445 short tons (2,218 t) White Sands Missile Range 1 June 1989 Distant Image ANFO
At the world’s biggest machine gun shoot, a tight-knit community of enthusiasts from diverse backgrounds are married, buried, and bonded forever by their shared passion: blasting away with ...
A video on safety precautions at blast sites. The largest commercial application of explosives is mining. Whether the mine is on the surface or is buried underground, the detonation or deflagration of either a high or low explosive in a confined space can be used to liberate a fairly specific sub-volume of a brittle material (rock) in a much ...
This is a compilation of published detonation velocities for various high explosive compounds. Detonation velocity is the speed with which the detonation shock wave travels through the explosive.