... free time! Sodium Hexametaphosphate 68%minProperties: White powder, density is 2.484 (20), easily soluble in water, but not in organic ... for water treatment.Technical SpecificationsNo.SpecificationsIndustrial GradeFood Grade1Total phosphate, as P2O5%≥68.068.02Inactive phosphate, as P2O5%≤7.57.53Iron, as Fe ...