... , dyeing, and boiler; Diffusant in papermaking; slow corrodent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemistry reagent ... food grade, it is mainly used as additive agent, PH adjusting agent and fermentation agent, and nourishment. Packaging:Plastic-woven sack with ... 1,000kg. Store at a well ventilated, dry place. Sodium Hexametaphosphate (SHMP)