Caustic Soda 1: Main Content: 96%, 98% and 99% 2: Flake, Pearl and Solid 3: 25kg Bag, 200kg Drum 1000kg Jumbo Bag MOQ:25T Specifications:LtemsStandardNaOH Content(%)≥ 99.00Fe203(%)≤ 0.002Na2CO3(%)≤ 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 ...