1.Factory Sodium hexametaphosphate 2.Food grade,Industrial grade 3.content:68% 4.Appearance: white powder ... F)--------0.003% maxWater insoluble0.05%max0.06% maxApplication:For industrial use, such as oil field, paper-making, textile, dyeing, ... papermaking; slow corrodent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemistry reagent. For food grade ...