Copper Roller Balls for Semiconductor Wafer Polisher Spindles from China
Precision copper alloy roller balls for high-speed polishers that prepare wafer surfaces to atomic flatness for semiconductor device fabrication. These balls are classified under tariff item 8482.91.00 as balls for bearings, used in polisher spindles.
Duty Rate — China → Canada
0%
Import Tips
• Document the copper alloy's precision and use in high-speed spindles to support classification
• Verify the balls meet bearing tolerances
• Check for any applicable free trade agreement benefits