... ,chemicals, textile,paper,printing and dyeing,soap industry. Caustic soda ,sodium hydroxide CAS: 1310-73-2 Molecular formula: NaOH Molecular weight ... industry 1. Used in water softening, In the soap and refined oil line,refining petroleum products, sanitation, hygiene and production chemicals ... woven bags with two-layer PE inner linling Caustic soda;Sodium hydroxide