Mixture Mineral Wool Soundproofing Panels from Canada
Composite panels blending rock wool and expanded clay for studio sound absorption. HTS 6806.90.00 for mixtures/articles of heat/sound-insulating minerals other than 6811/12.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Composition breakdown (% mineral content) essential for mixture verification
• Acoustic test data (ASTM C423) supports sound-insulating classification
• Avoid decorative framing that could invoke chapter 94 furniture exclusion