Copper Roller Balls for Semiconductor Wafer Polisher Spindles from Canada
Precision copper alloy roller balls for high-speed polishers that prepare wafer surfaces to atomic flatness for semiconductor device fabrication. HTS 8482.91.0015 designation via statistical note 6 for copper balls in wafer polishing equipment. Critical for nanometer-level surface finish control.
Duty Rate — Canada → United States
14.4%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide surface roughness specifications (Ra <0.1nm capability)
• Include polisher slurry compatibility certification
• Ensure ESD-safe handling protocols in shipping