9012.90.00.00/SEM Vacuum Pump Adapter Kit/China

SEM Vacuum Pump Adapter Kit from China

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 — China → United States

37.5%

Rate breakdown

9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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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