Semiconductor Crystal Grinder Air Valve from Germany
Pneumatic air control valve for crystal boule grinders that create precise diameters and flats indicating conductivity type. HTS 8481.80.9050 for other appliances in wafer preparation equipment. Low-vibration design for metrology accuracy.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide resistivity flat specification charts linking to grinder function
• Certify for Class 1 cleanroom use to support classification