Expanded Clay Geothermal Fill from Germany
Expanded clay aggregate used as backfill around geothermal heat exchanger loops for thermal conductivity. This product falls under tariff item 6806.20.00 as an expanded mineral material used in energy applications.
Duty Rate — Germany → Canada
0%
Import Tips
• Confirm the clay is expanded through a heating process and not naturally occurring
• Provide technical specifications showing thermal conductivity properties
• Check if the product is subject to any Canadian environmental regulations for geothermal applications