Insulating Refractory Brick from Canada
Lightweight insulating refractory bricks, fired from vermiculite-clay mixes, reduce heat loss in furnace walls and backup linings. Low thermal conductivity with high porosity. HTS 6902.90.50 for other refractory bricks.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide density and thermal specs to prove insulating refractory nature
• Ensure not excluded as Chapter 68 articles if vermiculite dominant