Basalt Fiber Continuous Roving
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.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If slag wool classification
Slag-based mineral wools exclude from Chapter 70 glass definitions
If specific silica composition
Narrower glass wool specs may apply to certain basalt variants
If mineral filaments nesoi
Non-glass qualifying mineral filaments classify in Chapter 68
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Import Tips & Compliance
• Include geological source certification and silica analysis; declare melting temperature confirming fused silica process; differentiate from slag wool products
Related Products under HTS 7019.90.51
Direct Roving for Pultrusion
Directly-formed glass roving for pultrusion process producing structural profiles. HTS 7019.90.51 covers industrial glass fiber rovings not sized for textiles. High strand count optimizes pultrusion line speed.
Glass Fiber Spray Roving
Chopped roving packaged for spray-up applications in open mold fiberglass parts. HTS 7019.90.51 for other glass fiber forms; optimized chop length and strand integrity for gun spraying. Automotive body panels primary use.
High Temperature Glass Fiber Cloth
3M Nextel-style ceramic-coated glass fiber cloth for thermal barriers. HTS 7019.90.51 despite coating; glass fiber remains essential character per Chapter 70 notes. Continuous use to 1200°F.
Glass Fiber Battery Separator Mat
Microglass fiber mat for lead-acid battery separators requiring high purity. HTS 7019.90.51 for specialty non-woven glass fiber articles; boron-free composition prevents contamination. Specific porosity control.
Wind Energy Roving
Specialty E-glass roving engineered for large wind turbine blade production. HTS 7019.90.51 for industrial glass fiber rovings; high performance sizing for powder/epoxy infusion processes. Gigawatt-scale turbine compatible.
E-Glass Roving for Composites
Continuous E-glass rovings consisting of multiple strands of glass filaments, used as reinforcement in composite materials like fiberglass boats and automotive parts. Classified under HTS 7019.90.51 as 'other' glass fibers in the form of rovings, not yarn or woven fabrics. Meets Chapter 70 definition for glass fibers with high silica content.