Ammonium Polyphosphate

Ammonium polyphosphate(APP) : a. molecular formula: NH4PO3n, n50, b. water-solubility less than 2g/100ml. c. excellent fire retardant effect: inorganic chain polymer, theres P-N collaboration effect because of high phosphorus and nitrogen content. d. usage: as an essential fireproofing additive in expansive fireretardant coating and fire retardants, used in architecture, shipping, cable field and so on. 2. Performance index: Item No.: HG/T2770-1996 indexunitspecificationAppearanceWhite powerContent of P2O5%w/w≥69Content of N (%)%w/w14-15Average polymerlzation degree nn≥50PH value1% water solution, 256.0±0.5Average particle size D50μm6 12Remark: Accord with EU RoHS. 3. Use 1) Confect various effective expansive fireretardant coating, which can be used as fireproofing in high architecture, shipping, train, cable. 2) Used in fire retardant treat in lignum, veneer, fiberboard, paper, fiber. 3) Major fire retardant additive in plastic, resin and rubber expand fire retardant (IFR). 4) Made into dry power used in extinguishing large area fire in forest, oil field, and coalfield. 4. Packing 25kg polypropylene woven bag inner lining polyethylene film. used as an essential fireproofing additive in expansive fireretardant coating and fire retardan