... metal ion 3.Sttp over15years manufacturer 4.Delivery time within15 Food grade STPP STPP 94%Chemical Formula: Na5P3O10Molecular Weight:367.86Properties: ... agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper ... as As, %; 0.0003 Fluoride, as F, %; 0.003 Chloride, as Cl %; 0.025 Packing Plastic-woven sack with polythene ...