... % solution): 5.8-7.3Water insoluble: 0.05% maxApplication: For industrial use, such as oil field, paper-making, textile, dyeing, petrochemical ... corrodent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemistry reagent. For food grade, it is mainly used ... : 0.0003% maxF: 0.003% max 68%min Sodium Hexametaphosphate Industrial Grade