Basalt Fiber Rock Wool Batts 65 cm Wide from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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