Float Zone Crystal Puller Condensing Unit from China
Condensing unit used in float zone crystal pullers for producing high-purity silicon boules by managing heat dissipation in air-conditioned enclosures. Classified under HTS 8415.83.0060 as 'other' heat exchangers for air conditioning machines without built-in refrigeration, tailored for semiconductor material growth. It maintains stable temperatures essential for defect-free crystal formation.
Duty Rate — China → United States
36.4%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Provide evidence of compatibility with motor-driven fan systems in semiconductor equipment to support air conditioning machine parts classification
• Label with precise specs like thermal capacity and boule diameter compatibility to demonstrate semiconductor-specific design