Semiconductor Quartz Process Tube from China
A high-temperature fused quartz process tube for diffusion and oxidation stages in silicon wafer fabrication. It features precise ID/OD tolerances for horizontal furnace insertion. The low thermal expansion coefficient qualifies it for this tariff item.
Duty Rate — China → Canada
0%
Import Tips
• Document the coefficient of thermal expansion with technical datasheets
• Specify the semiconductor use in the import declaration
• Ensure the product is not classified as a part of a machine under Chapter 84