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 ... , and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis ...