HFC-41 Semiconductor Etchant Gas from China
High-purity Fluoromethane (HFC-41) is a saturated fluorinated derivative of acyclic hydrocarbons, explicitly listed under tariff item 2903.43.00. It is critical for plasma etching in microchip fabrication, selectively removing silicon layers. As a separate chemically defined compound, it falls under this item.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the HFC-41 is of semiconductor-grade purity
• Verify compliance with Canadian regulations on specialty gases
• Provide a detailed product specification sheet and safety data sheet to CBSA for clearance