... atomic mass in 1999) Application: Mainly used in chemical industry, glass-manufacturing, metallurgy, paper-manufacturing, textile, dyeing, synthetic detergent, soap, ... daily-use Chemical-industry, daily-use glass industry, washing powder, petrol chemical industry etc. HS: 2836200000 Storage ... 180um residue on sieve) 70.0%MIN Low Price but High Quality Sodium Carbonate