... Tripolyphosphate You are worth every penny of it.STPP Sodium TripolyphosphateNa5P3O10,% ,Min.94P2O5,% ,Min.57Insolubles, % Max.0.05PH Value(1%Solution)9 ... as SO4), %, Max.0.4Bulk density, g/l650-990White degree %,Min.93Phase I10-30Used as main auxiliary of synthetic wash, soap ... widely used in gum synthesis, foodstuff industry, and poultry process. Hot sale Sodium Tripolyphosphate STPP TECHNICAL GRADE