STPP food grade 1)Purity:94%,95%. 2)Form:White power or granular ... dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer ... poultry process. 3)Specifications:GB/T9983-2004(technical grade), QB1034-91(food grade) SpecificationsIndustrial Grade Food Grade AssayNa5P3O10 % ≥94.095.0P2O5 % ≥57.057. ...