Product Name: Sodium Tripolyphosphate; STPP; Food Grade Model NO.: STPP Grade Standard: Food Grade Type: Sodium Tripolyphosphate Purity: 90%~99% Certification: ISO Formula: Na5p3o10 CAS No.: 7758-29-4 P2o5%: 56.8min Water Insoluble%: 0.1max Fe: 0.01 pH: 9.2-10.0 Trademark: BH or depend on customer Transport Package: 25kg/Bag Specification: 25KG Origin: China HS Code: 2835311000 Product Description PRODUCT:Sodium TripolyphosphateCHEMICAL FORMULA:Na5P3O10ORIGIN:CHINACAS NO:7758-29-4SPECIFICATION :ITEMSTANDARDAppearanceWhite prill or powderContent%94.0minP2O5%56.8minwater insoluble%0.1maxFe0.01PH9.2-10.0whiteness88.0Type I content30Apparent density0.55-0.65Particle degree 1.00 mm experimental screenings5.0USAGE : Mainly used for synthetic detergents for additives, soap synergistic agent and prevent a soap grease precipitation and up frost. Axle oil and fat has strong emulsification, can be used to regulate buffer soap PH value, industrial water gets the soft agent, leather tanning, dyeing color additives, paint, kaolin, magnesium oxide, calcium carbonate prepared when such industries as dispersant, suspensions, papermaking industry drilling mud dispersant used as defending greasy dirt agent.PACKING:25kg/bag.