Basalt Rock Wool Bulk Insulation from Canada
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 — Canada → United States
13.9%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide origin certificates for basalt source to confirm natural mineral status
• Label clearly as 'bulk' to prevent confusion with finished articles