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Flame-retardant Polyureth
Ammonium polyphosphate (A
Ammonium polyphosphate (A
Ammonium polyphosphate (A
Ammonium polyphosphate (A
Ammonium polyphosphate (A
Ammonium polyphosphate (X
Ammonium Polyphosphate(XA
Ammonium Polyphosphate(XA
Non- halogen Asphalt Flam
Melamine Polyphosphate (M
 

Ammonium polyphosphate (APP-1 )

Molecular Formula: (NH4PO3)n
Appearance: White powder
Cas No.68333-79-9
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

 * 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

Packing :APP-1is packed in 25 kg 4-ply paper bags with polyethylene inliner. The standard supply unit is a shrink-wrapped pallet with 40 bags weighing 1000 kg net.
APP-1 can also be supplied in a variety of big bags, shrink-wrapped