Crystal Grinder Coolant Gas Compressor from Japan
Reciprocating compressor circulating coolant gas in crystal grinders that shape semiconductor boules to precise wafer diameters. Classified HTS 8414.80.20.55 for ≤186.5 kW reciprocating compressors in semiconductor wafer manufacturing equipment.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify flat grinding tolerances (microns) proving semiconductor boule application
• Provide material safety data for process gases (argon, nitrogen)
• Include motor nameplate photos verifying power <186.5 kW