Kashvi Chemicals and Services Distributor of caustic soda. With our quality commitment, we guarantee a high service level towards our customers. Worldwide, the major users of caustic soda are the aluminum industry, pulp & paper and the chemical industry. The main applications are water treatment and water purification, as cleaning agent, or a wide range of uses in chemical industry like starch production or for the desulphurization in the petrochemical industry.