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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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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