Sound Absorbing Rock Wool Sheet from Canada
Large sheets of rock wool for acoustic barriers in industrial settings. Covered by HTS 6806.10.00.90 for sound-insulating mineral wools in sheets, per chapter notes.
Duty Rate — Canada → United States
13.9%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Acoustic test reports (e.g
• ASTM standards) aid classification
• Prevent compression during shipping to maintain bulk form