... raw material, because of its chemical properties stable, particle size adjustable, widely used in leather making, the sodium sulfide, detergent ... of protease color particles, in detergent surfactants, enhance the detergent washing effect, remove stubborn stains. ... water glass, glass, enamel, pulp, refrigeration mixture, detergent, desiccant, dye thinner, analysis, chemical reagent, pharmaceuticals, ...