Soda ash Soda ash dense 99.2 percent min.++raw marerials for industry·¼ Detailed specification is as following: Na2co3 99.48% min Nacl 0.29% max Fe2o3 0.0009% max Watre insoblues 0.0075% max Granularity up 180mm % 86.5min Bulk density g/ml 1.05 Packed in 50kg/25kg bags