Thorium Dioxide (ThO2) Powder from China
Thorium dioxide (ThO2) powder, also known as thoria, is used in high-temperature ceramics and gas mantle production. As a chemically defined thorium compound, it falls under this tariff item.
Duty Rate — China → Canada
0%
Import Tips
• Provide a certificate of analysis confirming ThO2 purity
• Ensure the powder is not doped for electronics, which would fall under heading 38.18
• Check for any end-use restrictions under Canadian nuclear regulations