Silicon Ingot Annealing Furnace from Mexico
Annealing furnaces heat-treat silicon ingots post-grinding to relieve stresses before wafer slicing. Specialized for semiconductor boule processing under heading 8470, it fits HTS 8473.29.00.00.
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
• Document temperature uniformity specs (±1°C)
• Specify inert gas (argon/nitrogen) purge systems
• Classify complete systems vs replacement heating elements