Graphite Boat for Semiconductor Processing from Canada
Artificial graphite boats or trays used to hold silicon wafers during high-temperature semiconductor diffusion furnaces. Falls under HTS 3801.10.50 as 'other' artificial graphite in semi-manufactured boat form, essential for thermal uniformity in wafer processing.
Duty Rate — Canada → 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
• Require ultra-high purity certificates (<5 ppm impurities) for semiconductor-grade classification
• Include furnace compatibility specs to prevent reclassification as machinery parts
• File for duty drawback if re-exported after processing in US facilities