... 002Na2CO3(%)≤ 0.27NaC1(%)≤ 0.01 Main uses: the manufacture of chemicals, paper, aluminum smelting, refining tungsten, artificial silk, ... rayon and soap manufacturing, production of dyes, plastics, pharmaceutical and organic intermediates, the old rubber ... inside and outside, in the middle layer of lining bag, a total of three packages. Caustic soda solid ------ 200kg / drum ...