Ammonium Polyphosphate(APP)

1.ammonium polyphosphate Brief Introduction:

Its chemical stability is good, may not have chemical change when mixes with other materials.It is smoke suppressioning and low toxic. Widely applies in the expansive fireretardant coating, polyethylene, polypropylene, polyurethane, epoxy resin, rubber product, fiberboard and the dry chemical agent and so on. It is one kind of safe and also most important highly effective phosphorus non-halogen smoke suppressioning fire retardant.

2.Performance index:

Type No.	FR-CH-1	FR-CH-2
Appearance	white powder	white powder
Content of P2O5 (%)	≥ 69	≥ 69
Content of N( %)	≥ 14	≥ 14
Average polymerlzation degree n	≥ 64	≥ 59
PH value（ 1 % aqueous solution）	6-7	6-7
PH value（ 10 % slurry）	5.5-7	5.5-7
Fineness	325	600

4.Packing

25kg/40kg polypropylene woven bag inner lining polyethylene film, dampproof; Storage period; 1 year.