... .: 497-19-8Product uses Soda ash also called sodium carbonate,and it is an important chemical material, widely used in ... building material, chemical, light industry, metallurgy, medicine, food processing and persons' daily life. Up to now, our national soda ... %), civil industry (7%), metallurgy industry (5%), medicine industry (2%) and other industries(20%). The classifications 1.There are dense soda ...