Classification:Caustic Soda Grade Standard:Industrial Grade Product name:Industrial Sodium Hydroxide NaOH:99%min Na2CO3:0.5%max NaCl:0.03%max Fe2O3:0.005%max shape:flake caustic soda 99% producing machine Purity:99%min caustic soda flake producing machine Certificate:SGS BV Shape:flakes and pearls HS Code:28151100 Show More