Vermiculite-Core Acoustic Door Seals from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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