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7019.90.51/Basalt Fiber Continuous Roving/Mexico

Basalt Fiber Continuous Roving from Mexico

Continuous basalt fiber roving derived from melted basalt rock, used in high-temperature composites. HTS 7019.90.51 includes such fused silica-based fibers per Chapter 70 note; treated as glass fibers despite rock origin. Environmentally friendly alternative to E-glass.

Duty Rate — Mexico → United States

14.3%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Include geological source certification and silica analysis; declare melting temperature confirming fused silica process; differentiate from slag wool products

Basalt Fiber Continuous Roving from Mexico — Import Duty Rate | HTS 7019.90.51