Sodium Tripolyphosphate (STPP)


  Basic Info./Specification: Sodium Tripolyphosphate (STPP)

Type:   Sodium Tripolyphosphate


Grade Standard:   Food Grade, Tech Grade
Delivery:   Within 15business Days

  Additional Info.

Packing:   25kg/Bag
Standard:   FOOD GRADE, Industrial grade
 Capacity:   15,0000mt/Month

Product Description

1. STPP, Sodium Tripolyphosphate 
2. Good quality, widely used in detergent, good performance 
3. STPP Sodium Tripolyphosphate 

1. Property: 
White powder or granular; Easily soluble in water; It has got salient chelating capacity to Ca and Mg ions. And soften hard water to make suspension solution become into clear solution; It has got weak alkalinity but no corrosiveness. It is a surfactant, and has got outstanding emulsification to lubricants and fat. 

2. Useage: 
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. 

3. Storage and Transport: It should be stored in a ventilative and dry warehouse instead of in the open air, kept away from water, moisture and sunlight during transport, handled with care, so as to avoid damage to plastic bags. Furthermore, it should be stored separately from poisonous substances.

Tech. Grade Food Grade
Na5P3O10 (%): 94Min 95Min
P2O5 (%): 57Max 57Max
Insolubles in water (%): 0.15Max 0.05Max
Fe (%): 0.007Max N
Ph (1% solution): 9.2-10 9.5-10
Heavy Metal (As Pb) (%): N 0.001Max
Arsenic (As) (%): N 0.0003Max
Fluoride(F) (%): N 0.003Max
Whiteness(%): 90Min 90Min
Density (g/cm 3 ) 0.35-0.9 0.35-0.9
type content (%) 10-30 10-30