Basalt Rock Wool Sheet from Canada
Sheets of basalt-based rock wool, a natural mineral fiber product used for fire-resistant insulation in HVAC systems. HTS 6806.10.00 includes all similar mineral wools in sheet form.
Duty Rate — Canada → 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
• Test for basalt purity; impurities may lead to reclassification
• Document as 'not worked into articles' to stay in 6806 vs 6811
• Avoid packaging that implies retail-ready, which could trigger 6811