Insulating Alumina Refractory Brick from China
A lightweight insulating brick with more than 50% alumina and a porous structure, used for furnace backup insulation. It is a fired ceramic with low thermal conductivity at high temperatures, qualifying as a refractory constructional good.
Duty Rate — China → Canada
0%
Import Tips
• Verify that the brick contains more than 50% alumina by weight and is fired after shaping
• Provide documentation on the porous structure to support classification
• Ensure it is used as a constructional good, not as an insulating material of another chapter