Witherite Ore Concentrate from China
Concentrated natural barium carbonate (witherite) ore from flotation processing, used in pyrotechnics and specialty chemicals. The product is processed by flotation, which is permitted under Chapter 25 Note 1, and is not calcined to barium oxide or mixed with other substances.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the flotation process did not involve chemical reagents that alter the product's structure
• Keep records of the concentration process
• Verify no calcination to barium oxide occurred