Sodium tripolyphosphate - Chemicals Products

Properties:
1. Appearance: white powder;
2. Melting point: 622oC;
3. Solubility: easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+ Mg2+
4. Without causticity.
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, 22MT/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

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