Tripolite Ceramic Block from United States
A heavy-duty ceramic block made from tripolite, a siliceous fossil earth similar to diatomite, used in furnace construction. Tariff item 6901.00.00 covers such goods explicitly, including 'similar siliceous earths' that are shaped and fired. The block meets the ceramic product definition in Chapter 69.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the block is fired at temperatures above 800°C to qualify as a ceramic product under Chapter 69
• Provide CBSA with a technical datasheet showing the tripolite content and firing conditions
• Check if the block is considered a refractory product, which may require additional classification review