Sodium Tripolyphosphate stpp (94%,96%,97%) 1.Competitive price 2.high-quality 3.used in ... water treatment 4.used in paper maki (94%,96%,97%) Sodium Tripolyphosphate stpp 1, Properties: White microdot powder with ... synthesis,ceramic grade, metallurgy, and poultry process. 3, Specifications: ITEMINDEX TECH. GRADENa5P3O10 (%):94MinP2O5 (%):57 Minwater Insoluble (%):0.10MaxPh (1% solution):9 ...