ANFO
(重定向自Ammonium Nitrate Fuel Oil)
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ANFO (or AN/FO, for ammonium nitrate/fuel oil) is a widely used bulk industrial explosive mixture.
It consists of 94% porous prilled ammonium nitrate (NH4NO3) (AN) that acts as the oxidizing agent and absorbent for the fuel and 6% number 2 fuel oil (FO).