Foamed Slag Sound Absorbing Panels from Japan
Rigid panels produced from expanded foamed slag aggregates for industrial noise control in factories and machinery enclosures. High-density mineral structure provides superior sound dampening. HTS 6806.10.00.10 includes these as sound-insulating boards of foamed slag mineral materials.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide chemical analysis of slag composition to distinguish from Chapter 69 ceramics
• Declare STC (Sound Transmission Class) ratings for industrial applications
• Separate from metal enclosures to avoid Chapter 73 or 94 classification as assemblies