Basalt-Derived Glass Fiber Yarn from Mexico
Uncolored continuous filament yarn from basalt-derived glass for marine composites. HTS 7019.13.15 covers this as other yarn, meeting fused silica/glass definition per chapter notes. Provides natural corrosion resistance.
Duty Rate — Mexico → United States
16.5%
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
• Submit chemical analysis confirming glass composition (SiO2 ≥60% per chapter note on glass wool equivalence)
• Document continuous vs. staple fiber; discontinuous falls elsewhere
• Avoid bulk declaration as wool (7019.19) lacking proper mineral wool specs