Czochralski Crystal Puller Heating Element from Japan
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 — Japan → United States
15%
Rate breakdown
9903.82.2215%Derivative steel articles the product of Argentina, Ecuador, El Salvador, Guatemala, Japan, the Republic of Korea, Liechtenstein, Switzerland, Taiwan, the United Kingdom, or a member nation of the European Union, as provided for in subdivision (c)(xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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