Epitaxial Reactor Cold Wall System from Mexico
Cold wall cooling assembly for MOCVD epitaxial reactors, maintaining chamber walls at stable low temperatures during high-heat thin film deposition on wafers. Falls under 8419.89.9540 as cooling equipment for semiconductor processing temperature management. Critical for layer uniformity.
Duty Rate — Mexico → United States
14.2%
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
• Submit reactor chamber thermal profile data proving cold wall cooling necessity
• Classify as complete cooling system, not reactor part, to avoid 8479