Slag Wool Sound-Absorbing Batts 24-inch from Mexico
Slag wool batts, 24 inches wide, produced from blast furnace slag, excel in sound absorption for interior partitions and ceilings. Classified under HTS 6806.10.00.20 for slag wool or similar mineral wools in batts ≤61 cm wide, distinct from expanded materials or ceramic articles. High-density fibers enhance acoustic performance.
Duty Rate — Mexico → United States
13.9%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide manufacturer certifications for NRC (Noise Reduction Coefficient) ratings to support sound-insulating claims during customs review
• Ensure batts are unbound and not faced to stay in bulk/batt category; faced versions may shift to article headings
• Comply with EPA TSCA requirements by submitting pre-import notifications for chemical treatments in the wool