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

 

 

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