Calcined Tincal Borate Concentrate from Mexico
Calcined tincal borate concentrate, heat-treated natural borax for soldering fluxes and heat-resistant alloys. It is included in tariff item 2528.00.00 as a calcined form of natural sodium borate from solid mineral deposits.
Duty Rate — Mexico → Canada
0%
Import Tips
• Document that the tincal is from solid deposits and calcined, not from brine
• Provide process details to CBSA to confirm the calcination step
• Check that no additional processing beyond calcination has occurred