Molded Calcium Silicate Acoustic Barrier Panels from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, 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