1.P Content 31
2.N Content 14
3.pH value 5.5-7.5
4.High quality and favorable price
Ammonium Polyphosphate(phase-II)
(CF-APP201)
Molecular formula : (NH4PO3)n n>1000
CAS No.: 68333-79-9
EINECS No.: 269-789-9
Model No.: CF-APP201
Ammonium Polyphosphate(Phase II) is a non-halogen flame retardant. It acts as flame retardant by intumescence mechanism. When APP-II is exposed to fire or heat, it decomposes to polymeric phosphate acid and ammonia. The polyphosphoric acid reacts with hydroxyl groups to form a nonstable phosphateester. Following dehydration of the phosphateester, a carbon foam is built up on the surface and acts as an insulation layer.
Specification :
Specification |
| Value |
Appearance |
| White powder |
P Content | %(w/w) | >31 |
N Content | %(w/w) | >14 |
Decomposition Temperature | °C | >270 |
Density(25°C) | g/cm3 | ~1.9 |
Solubility | g/100ml H2O, 25°C | ~0.5 |
pH value | ( 10% aqueous suspension ) | 5.5-7.5 |
Viscosity | (10%suspension, 25oC) | <100 |
Monisture | %(w/w) | <0.25 |
Average particle size | µm | ~15 |
Particle size(<50 µm) | %(w/w) | >97 |
Use :
In plastics(PP, PVC, PE, etc. ), Polyester, Rubber, and Expandable fireproof coatings.
Packing : 25kg woven bag with plastic liner.
