STPP Sodium Tripolyphosphate 94%

STPP Sodium Tripolyphosphate 94% 1.STPP 94% STPP TECH GRADE STPP FOOD GRADE 2.Specification: Indexes Industrial GradeFood GradeNa5p3o1094.0%Min94.0%MinP2o557.0%Min57.0%MinWater Insoluble Matter0.15%Max0.04%MaxIron(Fe)0.015%Max0.006%MaxPH value(1% water solution)9.2-10.09.5-10.0Heavy Metal(as Pb)0.001%MaxArsenic (As)0.0003%MaxFluoride(F)0.003%MaxWhiteness92%Min92%MinIgnition Loss1.0/Density (g/cm3)0.35-0.90.35-0.9Phase I10-3010-30 3.Properties:white powder,surface density:0.35-0.9g/cm3,melting point 622,free soluble in water,aqueous solution appears acid.It is a kind of inorganic surface active agent. Application:Used as one of the main auxiliaries for synthetic detergebt,synergist for soap;water softtener,tanning agent for leather making,auxiliary for dyeing;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 harm and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry. Packing:In 25kg or 50kg or 1000kg net WPP/PE bags