Membrane-Grade Liquid Caustic Soda 33% from United States
High-purity 33% sodium hydroxide aqueous solution produced via membrane cell process, used in rayon fiber manufacturing. This falls under tariff item 2815.12.00 as aqueous sodium hydroxide (soda lye), chemically defined without organic or other additives.
Duty Rate — United States → Canada
0%
Import Tips
• Provide documentation of the membrane cell production process if requested, as it confirms high purity
• Ensure the product is free of mercury or other contaminants that could trigger additional regulations
• Verify the concentration is accurately stated on all shipping documents