STPP, Sodium Tripolyphosphate Used as main auxiliary of synthetic wash, ... used in gum synthesis, foodstuff industry, and poultry process.STPP Used in detergent, synergist for soap; water softener; ... canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham ... It may also serves as a softener or densifier in foodstuff industry. Super Sodium Tripolyphosphate