... STPP, Sodium Tripolyphosphate good quality, widely used in detergent, good performence STPP Sodium TripolyphosphatePacking:25 kg pp bag Na5P3O10,% ,Min.94P2O5,% ,Min.57Insolubles, % Max.0 ... 0Iron (Fe), %, Max.0.015Fluoride (F), %, Max.0.003Chloride (Cl), %, Max.0.025Sulphate (as SO4), %, Max.0.4Bulk density, g/l650- ... gum synthesis, foodstuff industry, and poultry process. STPP sodium tripolyphosphate