Amerex B500, 5lb ABC Dry Chemical Class A B C Fire Extinguisher (2 Pack)

ABC Fire Extinguishers utilize a specially fluidized and siliconized mono ammonium phosphate dry chemical in the form of a fine pale yellow powder. ABC Fire Extinguishers utilize a specially fluidized and siliconized mono ammonium phosphate dry chemical. It chemically insulates Class A fires by melting at approximately 350°F and coats surface to which it is applied. It smothers and breaks the chain reaction of Class B fires and will not conduct electricity back to the operator.