Colemanite Ore from United States
Colemanite ore is a naturally occurring calcium borate mineral (Ca2B6O11·5H2O) mined from evaporite deposits, typically white to colorless. It is classified under tariff item 2528.00.00 as a natural borate in its crude or concentrated state, not separated from brine.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the ore is in crude, crushed, or concentrated form without calcination to qualify for this tariff item
• Declare the B2O3 content accurately, as it may affect classification
• Keep supplier documentation showing the mineral's natural origin