Bentonite Clay Swellable Grade from Germany
Sodium montmorillonite bentonite clay with high swelling capacity, used in drilling muds and sealants. Tariff item 2508.40.00 covers this as an 'other clay', unexpanded and suitable for industrial applications like oilfield services.
Duty Rate — Germany → Canada
0%
Import Tips
• Confirm the clay is not expanded, as expanded clays fall under Chapter 68
• Provide specifications showing the swelling capacity and industrial use
• Keep documentation that the clay is in its natural state, not chemically treated