Ammonium Polyphosphate (APP)

Features: 
1) Crystal phase II: (NH4PO3)n, n>1,000 
2) Appearance: white powder
3) P (W/W): 31.0-32.0%  
4) N (W/W): 14.0-15.0%
5) Decomposition temperature: ≥275°C
6) Density (25°C): 1.85-2.00g/cm³  
7) Solubility (25°C): ≤0.5g/100ml H2O
8) pH (10% aq. solution): 5.5-7.5  
9) Water (W/W): ≤0.25% 
10) Average particle size: about 15μm
 
Description:  
1) Halogen free flame retardant
2) High polymerization degree
3) Excellent heat stability
4) Low hygroscopicity
5) Low toxicity
6) Low fuming
7) Anti-dripping
8) Applications: flame retardant for PP, PE, PVC, polyester, rubber and coatings
 
Inner packing: 
25kg/lined plastic woven bag