... ,peral, used in metallurgy, petroleum,chemicals, textile,paper,printing and dyeing,soap industry. Caustic soda ,sodium hydroxide CAS: 1310 ... in water softening, In the soap and refined oil line,refining petroleum products, sanitation, hygiene and production chemicals. 2. Used as acidity ... raw material in the manufacturing of soaps, detergents, textiles and paper. Packing: 25kg net in PP woven bags with ...