Sodium Tripolyphosphate For Chemical Industries

Sodium Tripolyphosphate STPP 

Name: STPP(sodium tripolyphosphate) 

CAS NO: 13573-18-7

 Appearance: White powder or granular; 

ITEM: INDEX 

Tech. Grade

 Na5P3O10 (%): 94Min

 P2O5 (%): 57Min 

Insolubles in water (%): 0.15Max

 Fe (%): 0.007Max 

Ph (1% solution): 9.2-10 

Heavy Metal (As Pb) (%): N 

Arsenic (As) (%): N 

Fluoride(F) (%): N 

Whiteness(%): 90Min

 Density (g/cm3) 0.35-0.9

 Itype content (%) 10-30 

Packing: 25kg pp bag or 25kg paper bag. Application: Used in detergent, synergist for soap; water softener; tanning agent for leather making, a uxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contaminatio n resistance agent in paper production.