Phosphorus flame retardant Ammonium polyphosphate APP

Appearance

Unit 

White powder

Phosphorus pentoxide content

%(w/w)

≥71

nitrogen content

%(w/w)

≥14

decomposition temperature

℃

275

density (25℃)

g/cm3

≈1.9

solubility

g/100ml H20, 25℃

≤0.5

pH value

10% serous fluid

6~7.5

viscosity

(10% serous fluid, 25℃)m Pa·s

<60

Water content

%(w/w)

<0.25

Average particle size

µm

<20