... Caustic soda flakes:1.white translucent flake solid2.soluble in water3.strong corrosive4.soaps,detergents,textiles and paper Specification ... 0.01%ApplicationWidely used in paper making, synthetic washing and soap, viscose fiber and cotton fabrics, rayon, light textile industry, pesticide, ... and cellophane, processing bauxite system of alumina, also used in textile silk place, water treatment, etc.