Sodium hydroxide or caustic soda is a white solid substance with the chemical formula NaOH. It is obtained through the process of electrolysis of sodium chloride. Sodium hydroxide as a strong base, is considered one of the most important industrial chemicals and strong absorbent of moisture. Caustic soda flakes are widely used in varied industries, for example, the dyeing industry, production of cardboard and paper, leather and textile, oil and gas, petrochemical, oil wells and other related industries, the food industry etc. The final product of caustic soda can be packed in two layers of polyethylene and polypropylene bags.