Sodium tripolyphosphate 95% (STPP) Tech grade

Sodium Tripolyphosphate Purity:95%min P2O5 Content:57% Other Name: STPP Molecular weight: 367.86

Specifications:

Sodium Tripolyphosphate

Purity: 94%min

Molecular Formular: Na5P3O10

CAS No.: 13573-18-7

Appearance: White powder or granular; Easily soluble in water

Na5P3O10: 95% min

 P2O5: 57% min

 Iron (Fe) : 0.015% max

Water insoluble matter : 0.15% max

Ph value (1% water solution) : 9.5-10.0

Whiteness : 90% min

Heavy metal (As Pb)(%):0.001% Max

Arsenic (As) (%): 0.0003% Max., 

Fluoride (F) (%):0.003% Max

Ignition loss : 1.0

Density (g/cm3) : 0.7-0.9

Main users:

Used in detergent, synergist for soap; water softener; tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production. In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in

foodstuff industry

Packing:

25kg or 50kg net woven bag lined with PE liner; 25 mt/20GP

Sodium tripolyphosphate 95% (STPP) Tech grade