Crystal Boule Grinder Air Compressor from Japan
250 kW reciprocating compressor powering pneumatic systems in crystal grinders that shape silicon boules to exact wafer diameters and flats indicating resistivity. Critical for preparing semiconductor crystals post-growth. Classified in HTS 8414.80.20.65 for mid-range power semiconductor processing compressors.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include CAD drawings showing integration with grinder to prove specialized use
• Certify air purity standards (ISO 8573) required for cleanroom semiconductor environments
• Watch for reclassification if sold without semiconductor context as general factory compressor