... and building material industry, it is mainly used as a water softening agent in solution for printing, dyeing, and ... boiler; Diffusant in papermaking; slow corrodent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical ... For food grade, it is mainly used as additive agent,PH adjusting agent and fermentation agent, and nourishment.Packing:25kgs net paper ...