99% Sodium Hydroxide Solid / Caustic Soda Pearl 

Product Description Inspection Items Quality Index Results   Excellent First-grade   Appearance White Flake White Flake NaOH  %   ≥ 99.0 ≥ 98.5 99.0 Na2CO3  %   ≤ 0.4 ≤ 0.5 0.3 NaCl   %   ≤ 0.02…