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SEM Vacuum Pump Adapter Kit from Japan

Custom adapter flanges and seals connecting turbo pumps to scanning electron microscope chambers. Classified in HTS 9012.90.00.00 as parts principally for 9012 apparatus. Ensures ultra-high vacuum for clear imaging.

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 flange standards (e.g

CF/KF) matching SEM ports

Classify as kit only if sold/used with specific microscope

Avoid general plumbing classification; specify vacuum microscopy use