... ,and it is an important chemical material, widely used in building material, chemical, light industry, metallurgy, medicine, food ... soda ash consumption consist of glass industry (42%), chemical industry (12%), light industry (12%), civil industry (7%), metallurgy ... ash products: The quality targets of soda ash(light)ItemsUnitTargetsTest resultExcellentFirst classQualified Na2CO3 ≥%99.2098.8098.0099 ...