... , textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry, and used as a water softening agent in solution for ... agent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemical reagent; 2. Food grade: Mainly used as ... .0039Water insoluble %≤0.050.06 SHMP Sodium Hexametaphosphate 68% industrial grade