Basalt Fiber Rock Wool Batts 65 cm Wide from Mexico
Batts of rock wool from basalt rock, 65 cm wide, for fire-resistant insulation in attics and floors. Falls under HTS 6806.10.00.40 as 'similar mineral wools' in batt form >61 cm, spun without organic binders for superior heat resistance up to 1200°F. Used in marine and industrial applications.
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
• Certify basalt origin and melting process to distinguish from glass wool; include melting point test data
• Comply with EPA formaldehyde regulations even for binderless types; provide zero-formaldehyde declarations