Ammonium Polyphosphate

Name Ammonium polyphosphate
Synonyms Polyphosphoric acids ammonium salts
Molecular Formula (NH4PO3)n
CAS Registry Number 68333-79-9
EINECS 269-789-9


index unit specification
Appearance White power
Content of P2O5 %(w/w) >=69
Content of N (%) %(w/w) 14-15
Average polymerlzation degree n n >=50
PH value 1% water solution, 25°C 6.0±0.5
Average particle size D50 μm 6~12
Remark: 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.