Molded Calcium Silicate Acoustic Barrier Panels from Japan
Panels molded for sound absorption in industrial noise control, with secondary heat insulation from calcium silicate density. HTS 6806.90.00.20 includes sound-insulating mineral articles like these.
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 acoustic test data (e.g
• NRC ratings) to justify sound-insulating claim
• Ensure panels exceed 1-inch thickness to avoid thin sheet misclassification