Diatomaceous Earth Firebrick from United States
A high-temperature resistant brick made from diatomaceous earth (kieselguhr), a siliceous fossil meal, shaped and fired for use in industrial furnaces and kilns. This product qualifies under tariff item 6901.00.00 as a ceramic good of siliceous fossil meals, which are explicitly included in the heading. The firing process meets the chapter's requirement for ceramic products.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the firebricks are fired after shaping to qualify under Chapter 69; unfired or resin-cured products are excluded
• Provide a detailed product description and composition certificate to CBSA to confirm the siliceous fossil meal content
• Verify if the goods require any additional permits for industrial use, such as workplace safety certifications