Anhydrous Borax Concentrate from United States
Anhydrous borax concentrate produced by calcining natural tincal or kernite ores, resulting in dehydrated sodium borate suitable for welding fluxes. This product falls under tariff item 2528.00.00 as a calcined natural borate derived from solid mineral deposits, not from natural brine.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is derived from solid mineral deposits and not from natural brine to qualify for this tariff item
• Keep records of the calcination process and source ore to present to CBSA if requested
• Verify the H3BO3 content if relevant to avoid misclassification