Molded Calcium Silicate Acoustic Barrier Panels from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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