... synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of ... magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and ... process. 3)Specifications:GB/T9983-2004(technical grade), QB1034-91(food grade) SpecificationsIndustrial Grade Food Grade AssayNa5P3O10 % ≥94.095.0P2O5 % ≥57 ...