Vermiculite-Expanded Perlite Chimney Insulation from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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