... material, widely used in building material, chemical, light industry, metallurgy, medicine, food processing and persons ... of glass industry (42%), chemical industry (12%), light industry (12%), civil industry (7%), metallurgy industry ... dense soda ash and light soda ash according to the different density. 2.There are normal ... 180um sieve≥%70.0065.0060.0085.40Stack Density ≥g/ml0.900.900.901.09Whiteness ...