Gallium Arsenide Crystal Grinder from Mexico
Specialized grinder for GaAs compound semiconductor boules, grinding to precise diameters and flats. Falls under HTS 8474.20.00 as crushing/grinding machinery for mineral substances in solid form. Used in optoelectronics and high-frequency device production.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include material safety data sheets for GaAs handling during customs inspection
• Classify specifically under semiconductor notes to prevent generic ore grinder treatment
• Watch for ITAR restrictions on compound semiconductor equipment