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
9903.05.5510%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
• 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