Specifications Caustic soda We supply caustic soda at bulk quantity. Premium caustic soda flakes, pearls and liquid Caustic Soda caustic soda We supply Caustic Soda, 96% and ... supply in flake, pearl, solid form. We have associated Caustic Soda plant with premium quality at competitive price. Item Inspection Item ... .15 0.03 4 Fe2O3 % ≤ 0.005 0.002 caustic soda