STPP used as chemical additives for making synthetic detergents; Synergist for soaps;

ndexes	Industrial Grade	Food Grade
Assay Na5P3O10 % ≥	94.0	94.0
P2O5 % ≥	57.0	57.0
Water Insoluble Matter % ≤	0.15	0.05
Iron(Fe) % ≤	0.01	0.01
PH value (1% water solution)	9.2-10.0	9.5-10.0
Heavy Metal (as Pb) % ≤		0.001
Arsenic (As) % ≤		0.0003
Fluoride (F) % ≤		0.003
Particle Size Through 16 mesh sieve % ≥ Through 35 mesh sieve % ≥ Trough 100 mesh sieve % ≥	95 90 40	95 90 40
Whiteness % ≥	90	90

STPP