8482.91.00.15/High-Purity Copper Balls for Wafer Lapping Machine Thrust Bearings/Canada

High-Purity Copper Balls for Wafer Lapping Machine Thrust Bearings from Canada

Ultra-pure copper alloy balls for thrust bearings in wafer lappers that achieve flatness tolerances critical for semiconductor fabrication. Classified HTS 8482.91.0015 per statistical note 6 for copper balls in wafer preparation equipment. Provides contamination-free load distribution during lapping.

Duty Rate — Canada → United States

14.4%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Require particle count certification (<10 particles >0.5μm)

• Submit lapping machine blueprints showing bearing placement

• Monitor for oxidation—specify inert atmosphere packaging

High-Purity Copper Balls for Wafer Lapping Machine Thrust Bearings from Canada — Import Duty Rate | HTS 8482.91.00.15