Sell Sodium tripolyhosphate(STPP) (Food grade)

Sodium tripolyhosphate(STPP) (Food grade) You May Also Be Interested In: metal industry sodium tripolyhosphate stpp water softener
Product Description
Molecular Formula: Na5P3O10
Molecular weight: 367.86
Standard: GB9983-88

Product Feature
White microdot powder with luster, melting point at 622, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+ , Mg2+ , can soften hard water, change suspension into solution, alkalescent, without corrosiveness.

Product Specification/Models
Index name Food grade
(P2O5) %>= 57
Water insoluble %<= 0.05
Iron %<= 0.01
PH value 9.5-10.0
Fluoride(based on F) %<= 0.003
Arsenic %<= 0.0003
Heavy meta %<= 0.001
Main content %>= 94.0
Chlorine %<= 0.025

Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process.

Other Information
Packing:woven bag lined with plastic bag, net weight: per bag.25kg 50kg 1000kg
Storage: Avoid moisture, should not be put in the open air.