High-Grade Witherite Concentrate from China
Beneficiated witherite ore with elevated barium carbonate content, concentrated through flotation or other mechanical processes. This remains natural barium carbonate under tariff item 2511.20.00, as the concentration processes are permitted by Chapter 25 note 1.
Duty Rate — China → Canada
0%
Import Tips
• Document the beneficiation process (e.g
• flotation) to show it is a mechanical or physical process allowed under Chapter 25 note 1
• Ensure no chemical treatment changes the mineral structure
• Provide assay results to confirm barium carbonate purity for customs classification