... proved by samples 3.40KG/Bag 4.Purity:99.2%min 1. DescriptionSodium carbonate, also called soda or soda ash, ... is mainly used in glass production widely used in building material, chemical, light industry, metallurgy, medicine, food processing and ... (12%), civil industry (7%), metallurgy industry (5%), medicine industry (2%) and other industries(20%). price anhydrous sodium carbonate for sale 99.2%