Float Zone Crystal Growth Chamber from Mexico
A vacuum chamber component for float zone method crystal growers, producing high-purity silicon ingots for wafers. Classed as a part for 8425 semiconductor machinery under 8431.10.0090. Ensures precise control of zone melting process in semiconductor material growth.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.94.0525%Except for products described in headings 9903.94.06, 9903.94.32, 9903.94.33, 9903.94.42, 9903.94.43, 9903.94.44, 9903.94.45, 9903.94.52, 9903.94.53, 9903.94.54, 9903.94.55, 9903.94.62, and 9903.94.63, automobile parts, as provided for in subdivision (g) of U.S. note 33 to this subchapter
9903.03.060%Articles of iron or steel, derivative articles of iron or steel, articles of aluminum, derivative articles of aluminum, passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks and parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks, semiconductor articles, semi-finished copper and intensive copper derivative products, wood products, or medium- and heavy-duty vehicles or medium- and heavy-duty vehicle parts, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
9903.74.110%Articles as provided for in subdivision (l) of U.S. note 38 to this subchapter.
Import Tips
• Include process flow diagrams showing integration with 8425 pullers; label as 'semiconductor-specific' to avoid bulk material processors
• Pitfall: undervaluation due to custom fabrication