Crystal Puller Speed Reducer from Japan
Precision manual speed changer for Czochralski crystal growth furnaces used in semiconductor boule pulling. HTS 8483.40.50 applies to manually controlled rotation speed selection. Critical for maintaining uniform crystal diameter growth.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document rotation uniformity specs (<0.1 RPM variation) for semiconductor application
• Include cleanroom compatibility certifications (ISO 3) in import paperwork