Quality index Total alkali content : 99.2% min Chlorides(nacl): 0.70% max Sulphate(so4): 0.03% max Iron(fe2co3): 0.0035% max Water insoluble matter : 0.03% max Lignition loss: 0.80% max Bulk density: 0.9g/ml min Particle size 180 p m sieve remainning: 70.0% min Widely used in manufacture of chemicals and metallurgy , medicine, petroleum, hides processing, textile, printing and dyeing, foodstuff, photograph, glass, enamel and paper industry, etc. As well as for purification of water. White purification. Soda ash light 40kgs/750kgs Soda ash dense 50kgs/1000kgs