Caustic soda flakes (sodium hydroxide flakes) are flakes in white color which are hygroscopic and soluble in water. Caustic soda flakes are obtained by evaporating of qualified liquid caustic soda which is produced with membrane technology. Analiz NaOH 99.16 %W Carbonate as Na2CO3 0.43 %W Chloride as NaCl 0.06 %W Sulfate as Na2SO4 0.0047 %W Silicate as SiO2 0.0019 %W Fe 12.5 mg/Kg Insoluble in water 0 %W Aluminum as Al2O3
