Ammonium polyphosphate(APP)

Ammonium polyphosphate(APP)

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Applications
It can be used in expanding fireproof material, such as polyurethane, UP resin and epoxy resin. Also used in the retardant of fiber, 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:

ItemUnitIndex
Content of  P%31.0-32.0
Water Solubility(at 25°C,4% aqueous suspension)g/100 ml

≤0.5

PH value—-5.5-7.5
Particle Size (D50)μmApprox. 15
Decomposition Temperature(1% weight loss)≥280
Viscosity (at 25°C ,10% aqueous suspension)

mPa·s

≤50

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