Crystal Ingot Annealing Fluid Pump from Germany
Thermal fluid pump for controlled cooling in silicon ingot annealing furnaces post-growth. Under HTS 8413.81.0040 as pump in wafer manufacturing equipment. Prevents thermal stress cracks in boules.
Duty Rate — Germany → 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
Import Tips
• Specify heat transfer fluid ratings; provide annealing process validation
• Pitfall: classification as furnace parts