Fused Mullite-Grade Alumina from China
Fused mullite-grade alumina is a synthetic aluminum oxide with controlled mullite formation, used for investment casting shells. It is an aluminum oxide product other than artificial corundum and is classifiable under this tariff item as aluminum oxide other than artificial corundum.
Duty Rate — China → Canada
0%
Import Tips
• Document the mullite content and confirm it is not artificial corundum
• Provide a process description showing it is fused but not for abrasive use
• If the product is a mixture, check if it is classifiable elsewhere