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Ammonium polyphosphate (APP)

Chemical formula :(NH4)n+2PnO3n+1

Properties:White powder, hard to absorb moisture, soluble in other auxiliaries easily, but insoluble in water,

non-poisonous, no odor, Sg 2.3.

Uses: Mainly used as flame retardant for some materials, such as coating, plastic , rubber, woods, paper, etc..

Packing: plastic lined woven bag, Net wt 25kg or 50kg, kept in dry and ventilating place.

Technical index

NO.
Technical index
 
1
P2O5 % =

67

2
N %=
 
13
3
PH value
 
4.5-7.5
4
Polymerization Degree n=
20, 30 or 50
5
Fineness mesh
200 or 320