Factory price of Sodium Tripolyphosphate STPP P2O5 57% 7758 29 4

Product Overview

Description

Factory price of Sodium Tripolyphosphate STPP P2O5 57% 7758-29-4

STPP Other Names: Pentasodium triphosphate; Sodium Tripolyphosphate

HS Code 2835311000 

Molecular Weight: 367.86

Property:

White powder or granular; Easily soluble in water; It has got salient chelating capacity to Ca and Mg ions. and can 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.

 

Application:

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.

  

Spec

 

Item	INDEX
	Tech grade	Detergent grade
Na5P3O10	94%Min	96%Min
P2O5	57%Min	58%Min
Water Insolubles	0.15%Max	0.05%Max
Fe	0.01%Max	0.01%Max;
Ph(1% solution)	9.2-10	9.2-10
Heavy metals (as Pb)		0.001%Max
Arsenic (as As)		0.0003%Max
Fluoride (as F)		0.003%Max
Whiteness	90%Min	90%Min