Vermiculite-Expanded Perlite Chimney Insulation from Canada
High-temperature vermiculite-perlite mix for insulating prefabricated chimney liners and flues. HTS 6806.20.00.00 for expanded mineral heat-insulating intermixtures. Rated for continuous 1000°C exposure.
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
• UL-listed or equivalent fire safety certifications mandatory
• Specify maximum service temperature in technical specifications
• Flexible packaging for chimney liner insertion during installation