We offer caustic soda. Caustic soda or lye with the chemical formula naoh is applied for cleaning purposes, in industries like paper and pulp, textiles, and used in the manufacturing of soaps, detergents and cleaners. It can also be used as a bleaching agent to bleach brown pulp. uses: it is used in alumina refineries, textile processing, inorganic chemicals such as sulphites; phosphites, pulp and paper, soaps and detergents, viscose fibre, organic chemicals such as dyes, etc. specifications: specific gravity at 30°c: min. 1.514, purity: min. 47% ww