Using Used in petroleum industry for the refining of petroleum products, chemical industry for dye stuff manufacturing, aluminum metallurgy for rubber reclaiming, detergents manufacturing, pulp industry for chemical treatment of wood, soap industry, textile pulp fibers viscose process, etc. Storage As a Class eight Corrosive Substances, due to its corrosivity, careful storage and safety in production are needed, such as personnel has to wear protective equipment during the procedure of handling and storage. Keep it in a closed container in a dry warehouse.