Basalt Fiber Continuous Roving from Canada
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 — Canada → United States
14.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include geological source certification and silica analysis; declare melting temperature confirming fused silica process; differentiate from slag wool products