ABC fire fighting powder NH4H2PO4 Purity: 40-90% Packing: 25kg/pp bag or 25kg canton box Good price, quality & service! ABC FIRE EXTINGUISHER ... PH 4-4.5 for 10% concentration. Uses: Used to fighting A, B,C ,E kinds of Fires.Packing and storage ... .5Standing lowtemperature<=5.0'CNo-electric>=5.0Spraying%>=90.0B fire extinguishingSuccessin2/3A fire extinguishingSuccessin2/3 ABC Fire Fighting Powder