... , textile, dyeing, petrochemical industry, tanning industry, metallurgical industry 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, ... is mainly used as additive agent, PH adjusting agent and fermentation agent, and nourishment White powder, density is 2.484 (20° ...