sodium tripolyphosphate: We supply different bulk density: - low: 0.35-0.5 - medium:0.51-0.65 - high:0.66-0.9

 Sodium Tripolyphosphate (STPP):

The product has 2 grade:

-  Technical grade

    white powder.

    P2O5: 56% min

    Na5P3O10:  94% min

    Whiteness: 85% min

    Phase I: 5-40

    Fe: 0.015% max

- Food grade

  white powder

  P2O5: 57% min

  main purity: 94% min

  As: 0.001% max

  Pb: 0.001% max

  Fe: 0.01% max

  Cl: 0.025% max

  SO4: 0.005% max

  Insoluble in water: 0.05% max

  whiteness: 90% min

  phase I: 10-30%

Usage:

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.

Please contact our sales department:MOBILE: 86-136 0287 1707SKYPE: friendo.tony=========================FRIENDO INDUSTRIAL LIMITEDTEL: 86-20-8256 2835FAX: 86-20-8255 2160Website: www.friendochem.com

sodium tripolyphosphate