... 96%, 98% and 99% 2/Flake, Pearl and Solid 3/25kg Bag 4/Sodium Hydroxide 5/Best price Caustic Soda Flakes, Solid and Pearls 99% 98% 96%Product Description ... max Package: In 25kg poly woven bags Property: White solid or flakes with strong corrosiveness, easily soluble in water, presenting alkaline ... fiber, plastics, and many kinds of organic-mediacy, etc. 99% Caustic Soda Flakes, Solid or Pearls