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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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