... 3. Appearance: White pearl with strong corrosion SpecificationsCaustic soda NaOH 96%-99% flake solid pearls and guaranteed sodium ... hydroxide.96% / 99% caustic soda(caustic soda flakes ,solid and pearl),sodium hydroxide and NaOH, ... The following is our product introductionProduct name: caustic soda ----- Caustic soda flakes/solid/pearlChemical Name: Sodium Hydroxide Formula: ...