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8482.91.00.15/Non-Magnetic Copper Roller Balls for Wafer Grinding Machine Spindles/Mexico

Non-Magnetic Copper Roller Balls for Wafer Grinding Machine Spindles from Mexico

Copper alloy balls engineered for non-magnetic properties in high-speed spindles of wafer grinders that process crystal boules to precise diameters for semiconductor wafers. HTS 8482.91.0015 applies per statistical note 6 for copper balls in wafer preparation equipment. Critical for maintaining crystal orientation during grinding.

Duty Rate — Mexico → United States

14.4%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Certify magnetic permeability <1.005 for non-magnetic qualification

• Provide equipment OEM specifications linking balls to wafer grinder models

• Watch for contamination risks—require cleanroom packaging protocols

Non-Magnetic Copper Roller Balls for Wafer Grinding Machine Spindles from Mexico — Import Duty Rate | HTS 8482.91.00.15