Ammonium polyphosphate (n>1000)
CAS NO.：68333-79-9
EINECS NO.：269-789-9
Appearance：white ，flow powder
Molecular formula：(NH4PO3)n
Properties
P %（w/w） | 31.0-32.0 |
N %（w/w） | 14.0-15.0 |
PH （10% suspension ） | 5.5-7.0 |
Moisture%（w/w） | ≤0.25 |
decomposed temp. on heat ℃ | ≥275 |
density 25℃kg/L | About 1.9 |
bulk density 25℃kg/L | About 0.7 |
viscosity （25℃，10% suspension ）mpa.s | ≤100 |
Solubility （g/100cm3 water ） | About 0.5 |
grain sizeum | About 15 |
Toxicity:
APP is non-tocxic fire retardant ， but you should wear defence for it is very tiny powder
Uses:
APP are used in expanding fire-refractory coating and PU foamalso applied in fiber, wood and plastic rubber. It has high molecular weight （n＞1000） and high stability， it can be used in expanding fire-refractory coating
Packing:25kg in PE lined woven ba
