Features: 1) NH4H2PO4,content,%:≥99.0 2) P2O5,%:≥613) N,%:≥12 4) H2O, %:≤0.5 5) F, ppm:≤5 6) As, ppm: ≤5 7) Heavy metals (as Pb ),ppm:≤10 8) Water- insoluble matter %:≤0.10Usage: Used as high efficient compound fertilizer, fire retardant of wood, paper and fabrics, dispersant for processing of fiber dyes, powder extinguisher and Fermentation assistantPackage, transportation and storage: 1) 25kg/bag (polyethylene inner bag contained in white plastic knitted bag)1000kg/bag (polyethylene inner bag contained in white plastic knitted bag) 2) Not a hazardous substance; can be shipped as regular product 3) Store in dry place