Specification :

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