... point for 851 ° C,Soluble in water 2. Specification(light) ItemsUnit ExcellentFirst classQualifiedNa2CO3 ≥%99.2098.8098.00NaCl ≤%0.700 ... ash consumption consist of glass industry (42%), chemical industry (12%), light industry (12%), civil industry (7%), metallurgy industry (5%), ... medicine industry (2%) and other industries(20%). price anhydrous sodium carbonate soda ash light 99.2%