Caustic Soda Pearl 5kg Caustic Soda Pearls (Sodium Hydroxide) in 5kg quantities are used for heavy-duty cleaning (drains, grease), soap/detergent making, pH adjustment in water treatment, and in industries like pulp & paper, textiles, and food processing, acting as a powerful degreaser and chemical reagent for tasks like saponification and etching, though requiring extreme caution due to its corrosive nature.…