Czochralski Crystal Puller Heater Element from China

A graphite or molybdenum heater element designed specifically for use in Czochralski crystal pullers under HTS 8426.11, used to melt polysilicon for growing monocrystalline silicon boules. It falls under 8431.49.1010 as a part solely for semiconductor wafer manufacturing machinery of subheading 8426.11.

Duty Rate — China → United States

35%

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
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]

Import Tips

Verify part is exclusively for 8426.11 machinery via manufacturer specs to avoid reclassification to general parts

Include detailed engineering drawings and end-use statements in documentation for CBP review