... in leather making, the sodium sulfide, detergent, textile, glass, pharmaceutical and other industries.Leather: glauber's salt especially PiXiao ... fiber. Due to dye not easy absorption do, feet water residual dye a lot. Add sodium sulphate can reduce ... of big or small crystal granularity.Mainly used for system water glass, glass, enamel, pulp, refrigeration mixture, detergent, desiccant, dye thinner, ...