P2O5, %

≥71

P, %

30.5-32.0

N, %

14-15

Degree of polymerization

≥1000

Solubility/g/100mL H2O

≤0.5

Whiteness, %

≥90

Decomposition temperature, ℃

≥260

Viscosity(25℃, 10% of emulsion), mpa.s

≤100

PH value (25℃, 10% suspension )

5.5-7.5

Moisture, %

≤0.25

Bulk density, g/ml

≈0.7

Density g/cm3, 25℃

≈1.9

Particle size D50/μm

10-18

Acid value, mg KOH/g

≤1.0