Product Description
Ammonium polyphosphate (APP-1 )
Molecular Formula: (NH4PO3)n
Appearance : White powder
Specifications:
|
P (%):
|
31-32
|
|
N (%)
|
14 min
|
|
Degree of polymerization
|
1500 min
|
|
Density (g/cm3)
|
1.9(g/cm3)
|
|
Decomposition temperature
|
275℃ max
|
|
Solubility in water (25℃g/100mlH2O)
|
0.2 g max
|
|
Viscosity (25°C in 10%suspension)
|
100 mpa.s max
|
|
PH
|
5.5~7.5
|
|
Average particle size
|
15um max
|
l Crystal :Phase II
APP-1 is a fine-particle ammonium polyphosphate produced by a special method. The product is largely insoluble in water and completely insoluble in organic solvents. It is colourless, non-hygroscopic and non-flammable. APP-1differs from most other commercial products in the following ways: - greatly reduced solubility in water - lower viscosity in aqueous suspensions - lower viscosity in PU polyol suspensions - very low acid number
Main use in Plastic(PP,PE,PA,PVC,PBT),PU, Rubber ,Paint ,coating
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