High-Purity Copper Balls for Wafer Lapping Machine Thrust Bearings from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Require particle count certification (<10 particles >0.5μm)
• Submit lapping machine blueprints showing bearing placement
• Monitor for oxidation—specify inert atmosphere packaging