Product Name:caustic Soda---Caustic Soda Flakes/solid/pearls Formula:NaOH Industrial Grade According To GB209-2006 NaOH 96.0% Min NaCl 2.5 Max Na2CO3 1.2 Max Fe2O3 0.008 Max NaOH 99.0% Min NaCl 0.03 Max Na2CO3 0.5 Max Fe2O3 0.005 Max ...Read More