Refractory Ceramic Furnace Muffle from United States
A high-alumina ceramic muffle protecting furnace heating elements from process atmosphere. This refractory muffle is a named example in tariff item 6903.90.00 and is fired after shaping.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the muffle is fired after shaping, not just dried
• Provide details on the alumina content and firing temperature
• Ensure it is not classified as a furnace part under Chapter 84