... Industrial Grade and Food Grade Used as a fire-prevention agent for fabric, timber and paper, as well as a fire-prevention ... coating, and dry powder for fire extinguisher. For food grade, it is mainly used as a fermentation agent, nourishment agent, and so on. Used ... +P2O5), and may be used as a basic raw material for N, P and K compound fertilizer. Monoammonium Phosphate (MAP ...