Materialization nature: The pure product is the colourless transparent crystal, relative density 130. 318.4 degrees Centigrade of points. 1390 degrees Centigrade of boiling point. The city has solid state and two kinds of liquid state to sell the caustic soda: The purely solid caustic soda is white; there is bulk, bar-shaped, granular, the quality is fragile; the purely liquid caustic soda is the colourless transparent liquid.
Use: For the papermaking , production of cellulosic thick liquid and dregs of rice; Used in the soap , formate production of washing the silk ribbon pharmaceutical , formating the fatty acid and refinement moving the vegetable fat.