China Tech Grade 94% Sodium Tripolyphosphate STPP Powder, Find details about China STPP, Sodium Tripolyphosphate from Tech Grade 94% Sodium Tripolyphosphate STPP Powder
Sodium Tripolyphosphate (STPP) | |
Appearance | White powder, free from impurities |
Na5P3O10 content | 94.0% Min |
P205 content | 57.0% Min |
Phase I content | 10-20% |
Moisture | 0.1% Max |
Fe | 50 ppm Max |
Insoluble in water | 0.1% Max |
Whiteness | 92% |