... , paper production, textile, dyeing, petroleum, chemistry, metallurgy and construction materials etc. As a water softening agent in solution for ... printing, floating agent, dispersing medium and high temperature agglomerant.Sodium Hexametaphosphate Food Grade (1) ... used as additive agent,PH adjusting agent, fermenting agent,and nourishment, etc.Packing: 25kg PP woven bags with PE ...