Muffle Furnace Liner from United States
A high-temperature ceramic muffle liner used to protect furnace chambers from contamination during firing processes. This refractory muffle is fired after shaping from inorganic, non-metallic materials, qualifying under Chapter 69. It is classified as an 'other refractory ceramic good' under tariff item 6903.90.00, as muffles are explicitly listed.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the liner has been fired above 800°C; lower-temperature cured products are excluded from Chapter 69
• Provide technical specifications showing the refractory nature and material composition
• Check if the liner is part of a complete furnace, which may shift classification to Chapter 85