Caustic soda widely used in papermaking, synthetic washing and soap, viscose fiber, rayon and continous fabrics etc textile industry, pesticide, dye, rubber and chemical industry, oil drilling, refined petroleum oils and refining the oil industry, as well as tar defense industry, machinery industry, wood processing, metallurgy industry, medicine industry and urban construction, etc. Also used in the manufacture of chemicals, paper, soap and ***ergent, rayon and cellophane, processing of alumina, also used in bauxite textile mercerizing place, water treatment, etc.
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