Crystal Grinder Boule Wrapper from Japan
Wrapping system for crystal grinders that process semiconductor boules to precise wafer diameters. HTS 8422.40.91.70 classification for machinery wrapping semiconductor wafer prep equipment. Uses precision film application to maintain flat orientation indicators during transport.
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
• Include grinder flat-grinding tolerance specifications in technical files to validate semiconductor specificity
• Ensure wrapper design accommodates boule conductivity flat markings without damage
• Comply with export control documentation for dual-use semiconductor processing equipment