Dolime-Based Heat Insulation Boards from Canada
Rigid insulation panels made from dolime aggregates for high-temperature industrial ovens. Falls under HTS 6815.91.00 for dolomite/dolime content in fabricated form. Lightweight alternative to fiber insulation in petrochemical plants.
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
• Test for dolime content vs. cement to avoid Chapter 68 cement misclassification
• Include thermal conductivity specs for end-use verification
• Ensure boards exceed 25mm thickness to qualify as articles