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Re: Sodium Hexametaphosphate tech grade

Specification:

Appearance: White powder

Total phosphate as P2O5: 68% min

Inactive phosphate as P2O5 : 7.5% max

Iron: 0.05% max

PH value(1% solution) : 5.8-7.3

Water insoluble: 0.05% max

Packing: 25kg/bag, 22MT/20FCL

 

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, 25MT/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, 25MT/20FCL