2019 Factory STPP Sodium Tripolyphosphate

As a chained condensation compound of phosphate soluble in water, it has two existing forms: Na5P3O10(Anhydrous) and Na5P3O10•6H2O(Crystal). The specific gravity of Na5P3O10•6H2O is 2.12, that of Na5P3O10 is 0.5-0.6, melting point for both is 622°C. Anhydrous Na5P3O10 is capable of absorbing humidity with its aqueous solution being alkalinity and will be hydrolyzed to ortho-phosphates; It can have emulsification, suspension and dispersion of mud and oil; it has strong buffering effects with PH value between 4.3-14. 
Molecular Formula: Na5P3O10 
Molecular Weight: 368
CAS No.: 7758-29-4

Usage:

1.STPP used as one of the main auxiliaries for synthetic detergent, synergist for soap;
2.water softener, tanning agent for leather making, auxiliary for dyeing;
3.As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, 
calcium carbonate and drilling mud etc.
4.As an oil contamination resistance agent in paper production.
5.In food stuff industry it is used as quality improver in the process of canned food, fruit juice drinks, 
 food stuffs 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 food stuff industry.

Packing&Delivery
Packing : It is packed with ployethylene bags as liner , and a woven bag as the outer layer. 
                 The net weight of each bag is 25kg. 
25tons per 20''FCL for powder and 22tons per FCL for granular