Vermiculite-Core Acoustic Door Seals from China
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 — China → United States
41.4%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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