... 1,good quality STPP and SHMP 2,Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, etc. STPP Sodium Tripolyphosphate Na5P3O10 ... in gum synthesis, foodstuff industry, and poultry process.Sodium Hexametaphosphate, SHMP,(NaPO3)6 oil field, paper making, textile, printing dyeing, ... ion chelating agent and bulking agent etc. high quality TOPIXON STPP SHMP phosphate