Sodium carbonate (Na2CO3), molecular weight 105.99. The purity of the chemical is more than 99.5% (mass fraction), also known as soda ash, but the classification belongs to salt and does not belong to alkali. Also known in international trade as soda or soda ash. It is an important organic chemical raw material, mainly used in the production of flat glass, glass products and ceramic glaze.It is also widely used in domestic washing, acid neutralization, and food processing. 1. Glass : the glass industry is a large consumer sector of soda ash.soda consumption per ton of glass is 0.2T. 2. Detergent : It is used as detergent in wool rinsing,medicine and tanning. 3. Printing and dyeing : printing and dyeing industry is used as a water softener. 4. Buffer: as buffering agent, neutralize and dough improver, it can be used for pastry and noodle food, and can be used appropriately according to production needs.