Stpp 85%

Following Details of STPP 85% :

Sodium Tripolyphosphate 85% 90% 94% 96%

H. S. Code: 2835 3100
Chemical formula: Na5P3O10
Molecular weight: 367.86
CAS No. 7758-29-4

Appearance: White powder or granular

Properties: STPP White powder, surface density: 0.35-0.9g/cm3, melting point: 622 Degrees Celsius, free soluble in water, aqueous solution appears acid. It is a kind of inorganic surface active agent.

Packing: In 25Kg or 50 Kg or 1000 Kg net WPP/PE bags.

Specification:

Sodium Tripolyphosphate : 85%Min
Fluoride (As F) % a 0.005
Arsenic (As) % a 0.0003
Heavy mental (As Pb) % a 0.001
Water insoluble % a 0.1

Application :

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

Storage and transport: It should be stored in a dry. Ventilative and clean warthouse; Kept away from moisture and hot, Furthermore, it should be stored separately from poisonous Substances.