... caustic soda flake& pearl& solid used as a raw material in the manufacturing of soaps, detergent, textile and paper. Also used in ... water softening, refining petroleum products, sanitation, hygiene and production chemicals. In food and drug industry, it is used as acidity regulator ... , impregnants, pigment. we can also supply it with type flakes, solid and pearl and content as 96%, 98%, 99%.