CVD Oxidation Furnace Quartz Liner Tube from United States
> A fused silica liner tube designed for chemical vapor deposition (CVD) oxidation furnaces used in semiconductor manufacturing. It protects the furnace chamber while providing a clean, high-purity environment for wafer oxidation processes. This article is laboratory glassware of fused quartz, falling under tariff item 7017.10.00.
Duty Rate — United States → Canada
Import Tips
• > Ensure the liner tube is classified as laboratory glassware of fused quartz and not as semiconductor manufacturing equipment; provide a detailed product description and end-use statement to the CBSA
• Keep invoices and technical datasheets showing the fused silica composition to support the classification
• Verify if any excise duties apply, as the statistical note mentions certain subheadings may have additional duties