Soda ash light Total alkalinity(as the dry na2co3 %)99.2% min Chloride(as the nacl %) 0.7% max Iron(as the fe %) 0.004% max Matter insoluble in water 0.08% max Loss on ignition 0.8%max Soda ash dense Total alkalinity(as the dry na2co3 %) 99.2% min Chloride(as the nacl %) 0.7% max Iron(as the fe %) 0.0035% max Matter insoluble in water 0.03% max Bulk density(g/ml) 0.90min Caustic soda Caustic soda 99% Naoh99% min Na2co30.90% max Nacl 0.15% max Fe2o30.007% max Caustic soda 96% Naoh96% min Na2co31.4% max Nacl 2.8% max Fe2o30.01% max Soda ash:25kgs net bag, 20mts in the 20f+fcl Caustic soda:25kg plastic bags(3layer pp&pe)