supply Sodium carbonate(soda ash light & soda ash dense) at low price. one of the top 500 China Chemical Industry in recent 4 years. Package:25kg,50kg,750kg Index Item Super Grade A Grade Soda Ash(dry-basis) % ≥ 99.2 98.8 Soda Ash(wet-basis) % ≥ 97.9 97.5 NaCl (dry-basis) %≤ 0.7 0.9 Fe%(dry-basis) ≤ 0.0035 0.006 Water insoluble % ≤ 0.03 0.1 Tap density(Soda Ash Danse) ≥ 0.9 0.9 Particle Size 180μm ≥ 70 65 (Soda Ash Dans)