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6902.90.50/Insulating Refractory Brick/Canada

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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Provide density and thermal specs to prove insulating refractory nature

• Ensure not excluded as Chapter 68 articles if vermiculite dominant