Caustic soda flakes (sodium hydroxide, NaOH) are white crystalline flakes (98% min purity) serving soap manufacturing, chemical processing, pH adjustment, pulp/paper, textile mercerization, and countless industrial applications where strong alkali is required. The flake form versus liquid caustic (usually 50% solution) offers easier handling for small/medium operations lacking bulk storage tanks, longer shelf life without concentration changes from water evaporation, and lower freight costs per unit of NaOH delivered since you’re not paying to ship water. Buyers care about: purity percentage (higher purity means less sodium carbonate contamination that reduces effectiveness), packaging integrity (moisture ingress converts NaOH to sodium carbonate reducing active strength), and proper safety documentation since caustic soda is corrosive dangerous good requiring proper labeling, MSDS, and handling protocols for international shipment.
25kg bags, 50kg bags, or bulk packaging