Vermiculite-Core Acoustic Door Seals from Canada
Intumescent acoustic pads with exfoliated vermiculite cores for fire-rated door sound seals in commercial buildings. Expand under heat while maintaining sound insulation. Sound-absorbing mineral article under HTS 6806.10.00.10.
Duty Rate — Canada → United States
13.9%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include intumescent expansion test data per ASTM E84 for fire door assemblies
• Declare as 'articles' not components to stay in 6806 vs Chapter 83 hardware
• Avoid adhesive backing if it exceeds 5% weight to prevent plastics reclassification