Copper Roller Balls for Semiconductor Wafer Polisher Spindles from Mexico
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 — Mexico → United States
14.4%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide surface roughness specifications (Ra <0.1nm capability)
• Include polisher slurry compatibility certification
• Ensure ESD-safe handling protocols in shipping