The alkaline form of caustic soda soda sheet is white translucent flake solid alkali. Flake alkali is a basic chemical raw material. It is widely used in textile industry such as paper making, synthetic washing and soap, viscose, rayon and cotton fabric, pesticide, dyestuff, rubber and chemical industry, petroleum drilling, petroleum refining and tar refining, and national defense industry, machinery industry, wood processing, metallurgical industry, etc. Pharmaceutical industry and urban construction. It is also used in the manufacture of chemicals, paper making, soap and detergents, rayon and cellophane, bauxite processing, and mercerizing water treatment of textiles.