sodium tripolyphosphate,China price supplier

Sodium Tripolyphosphate(STPP)    Industrial Grade
Specification:
 Na5P3O10:     94.0%Min
P2 O 5: 57.0%Min
Water Insoluble Matter: 0.15%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/20FCL
Sodium Tripolyphosphate(STPP)    Food Grade
Specification:
 Na5P3O10      94.0%Min
P2 O 5      57.0%Min
Water Insoluble Matter     0.04%Max
Iron(Fe)     0.006%Max
PH value (1% water solution)  9.5-10.0
Heavy Metal (as Pb)      0.001%Max
Arsenic (As)  0.0003%Max
Fluoride (F)      0.003%Max
Whiteness 92%Min
density (g/cm3)     0.35-0.9
Phase I      10-30
Packing: 25kg/bag, 20MT/20FCL