Ammonium Polyphosphate CAS 68333-79-9 Flame Retardant APP

Ammonium Polyphosphate(APP) Synonyms:Flame Retardant APP CAS NO:68333-79-9 Molecular formula:(NH4PO3)n Properties:White powder. Feature: 1.App101:low hygroscopic after surface treatment;PH value is basic;low water solubility. 2.APP103:expanding-type halogen-free...

Product Details

Ammonium Polyphosphate(APP)

Synonyms: Flame Retardant APP

CAS NO: 68333-79-9

Molecular formula: (NH4PO3)n

Structure formula:

68333-79-9.jpg 

Properties: White powder.

Feature:

1. App101: Low hygroscopic after surface treatment;PH value is basic;low water solubility.
2. APP102: Low smoke and no halogen;can abviously reduce the damage to the person and installations in the fire accident. Perfect in the resistance to elements and good heat resistant. Can improve the resistance to water used in the painting industry. Can reduce the dosage of base material when being used in the thermosetting resin,can increase the dosage of glass fiber and improve the Surface Functionalization.

3. APP103: Expanding-type halogen-free flame retardant especially for polypropylene,containing no PBB,biphenyl oxide and toxic heavy metal.

Application:

It can be used in expanding fireproof material,such as polyurethane,UP resin and epoxy resin.Also used in the retardant of fibre,wood and plastic.APP is main ingredient of expanding retardant thermoplastic because of its high molecular weight and good heat stabilization.Especially used in the PP achieving UL94-V0 for electronic unit.

Specification:

Items

APP101

APP102

APP103

P content,%

27-29

31-32

30 min.

Water solubility,g/100cm3 water

0.2 max.

0.2 max.

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PH Value

7.0-9.0

5.5-7.5

5.0-7.0

Particle size,μm

15 max.

15 max.

18 max.

Thermal decomposition,ºCºC

280 min.

280 min.

290 min.

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