Slag Wool Bulk Fiber from Canada
Loose slag wool fibers derived from blast furnace slag, supplied in bulk for use in insulation mixes or as filler in construction. HTS 6806.10.00 covers slag wool and similar mineral wools explicitly in bulk form.
Duty Rate — Canada → United States
13.9%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Label as 'bulk' only if not compressed into sheets; otherwise, it may be 6811
• Include safety data sheets for fiber diameter to prove non-asbestos compliance
• Check for intermixtures; if over 50% other minerals, classification may shift