Sapphire Polishing Powder from Mexico
High-purity synthetic sapphire (corundum) powder, used for semiconductor wafer polishing, is classified under tariff item 7105.90.00. This item covers 'other' dust and powder of synthetic semi-precious stones, excluding diamond.
Duty Rate — Mexico → Canada
0%
Import Tips
• Verify the powder is synthetic sapphire and not natural, as classification differs
• Provide a sieve analysis to prove 90% passes through a 0.5 mm mesh
• Keep documentation of the powder's purity and end-use for semiconductor applications to support classification