Czochralski Crystal Puller Heating Element from China
A high-temperature graphite or molybdenum heating element designed specifically for use in Czochralski crystal growers under HTS 8486.10, which are classified in heading 8429. It mounts inside the puller chamber to melt semiconductor materials like silicon for boule growth. This part falls under 8431.49.9020 as an attachment for mounting on semiconductor wafer manufacturing machinery.
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 the part is solely for heading 8429 machinery via manufacturer specs to avoid reclassification
• Include detailed engineering drawings and end-use statements in documentation for CBP review