</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Basalt-Derived Glass Fiber Yarn from China

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 — China → United States

44%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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

Basalt-Derived Glass Fiber Yarn from China — Import Duty Rate | HTS 7019.13.15