... 2,Free sample 3,68%,white powder 4,High quality and competitive price Sodium Hexametaphosphate (SHMP) No.SpecificationsIndustrial GradeFood Grade1Total phosphate, as ... in papermaking;slow corrodent, floating agent, dispersing medium,high temperature agglomerant, detergentand soil Analytical Chemistry Reagent.Food Grade ... /bag, 22MT in the 20 feet container. Sodium Hexametaphosphate-SHMP manufacturer