Hydroboracite Crude Concentrate from Mexico
Hydroboracite crude concentrate is a white fibrous calcium magnesium borate mineral (CaMgB6O11·6H2O) extracted from evaporite basins and concentrated via flotation. It falls under tariff item 2528.00.00 as a natural borate concentrate, not separated from brine.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the concentration process is mechanical (e.g
• flotation) and not chemical crystallization
• Provide a certificate of analysis showing the mineral's natural origin
• Check if the concentrate contains added anti-dusting agents, which are allowed if not for specific use