Sodium Tripolyphosphate(STPP) Industrial Grade
Specification:
Na5P3O10: 94.0%Min
P2 O 5: 57.0%Min
Water Insoluble Matter: 15%Max
Iron(Fe): 0.015%Max
PH value (1% water solution): 9.2-10.0
Whiteness: 92%Min
Ignition loss: 1.0
density (g/cm3): 0.35-0.9
Phase I: 10-30
Packing: 25kg/bag, 20MT/20’FCL