Alumina for Sapphire Crystal Growth from Japan
Alumina for sapphire crystal growth is a high-purity aluminum oxide powder supplied as a raw material for the Verneuil process to grow synthetic sapphire (artificial corundum). At the time of import, it is a chemically defined aluminum oxide powder, not yet formed into artificial corundum, and is classifiable under this tariff item.
Duty Rate — Japan → Canada
0%
Import Tips
• Document that the powder is unprocessed aluminum oxide and not yet artificial corundum
• Provide purity specifications (e.g
• 99.99% Al2O3) to support classification
• If the powder is mixed with dopants, verify if it remains classifiable here