Silicon Wafer Lapping Machine Exhaust Purifier from Germany
Gas and particulate filtration unit for exhaust from wafer lapping equipment that grinds wafers to precise thickness tolerances, removing abrasive slurry mists and silicon fines. Classified in HTS 8421.39.0115 for its dust collection role in semiconductor wafer preparation processes as per statistical notes. Critical for downstream flatness polishing and device fabrication.
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
• Provide slurry composition analysis to confirm semiconductor-specific design
• Include cleanroom compatibility certifications (e.g
• Fed Std 209E)