8431.49.90.20/Float Zone Furnace Seed Rotation Shaft/Mexico

Float Zone Furnace Seed Rotation Shaft from Mexico

Tungsten or molybdenum shaft attachment that mounts in float zone furnaces (8429) to precisely rotate silicon seed rods during zone refining for ultra-pure semiconductor material growth. Withstands 2000°C. 8431.49.9020.

Duty Rate — Mexico → United States

10%

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
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Import Tips

• Material purity (99.999%) and rotation speed specs essential

• Vacuum furnace compatibility certification required

• General shafts classify under 8483.10

Float Zone Furnace Seed Rotation Shaft from Mexico — Import Duty Rate | HTS 8431.49.90.20