Basalt Rock Wool Bulk Insulation from Mexico
Bulk bags of basalt-derived rock wool fibers for on-site fabrication into insulation. Classified in HTS 6806.10.00.90 as rock wool in bulk form for heat/sound insulation, per Chapter 68 notes excluding coated or Chapter 69 items.
Duty Rate — Mexico → United States
13.9%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide origin certificates for basalt source to confirm natural mineral status
• Label clearly as 'bulk' to prevent confusion with finished articles