Basalt Rock Wool Sheet from Mexico
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 — Mexico → United States
13.9%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 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