Diffusion Furnace Quartz Tube Liner from Canada

High-purity fused quartz liner inserted into diffusion furnace tubes for dopant diffusion into semiconductor wafers during device fabrication. Classified under HTS 8417.90.00.00 as parts of nonelectric industrial furnaces critical to semiconductor processing. Prevents contamination during high-temperature (900-1200°C) diffusion processes.

Duty Rate — Canada → United States

13.9%

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

Certify quartz purity (OH content <10ppm) with test reports; declare liner function specific to diffusion furnaces; distinguish from generic laboratory quartzware

Diffusion Furnace Quartz Tube Liner from Canada — Import Duty Rate | HTS 8417.90.00.00