... strong corrosive soaps,detergents,textiles and paper Caustic soda flakes:1.white translucent flake solid2.soluble in water3. ... the oil industry, and defense industry, machinery industry, wood processing, metallurgy industry, pharmaceutical industry and urban construction, etc. ... chemicals, paper, soap and detergent, rayon and cellophane, processing bauxite system of alumina, also used in textile silk ...