E-Glass Roving for Wind Turbine Blades
E-glass roving consists of continuous untwisted strands of glass fibers bundled together, specifically designed for reinforcement in composite materials used in wind turbine blades. It falls under HTS 7019.12.0080 as 'other' rovings, not specified elsewhere in the subheading for slivers, rovings, yarn, and chopped strands. This product provides high tensile strength and corrosion resistance essential for large-scale renewable energy applications.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in sliver form rather than roving
Slivers are untwisted masses of fibers preceding roving in production, classified separately in 7019.11
If silica content below 60% without qualifying alkaline or boric oxide levels
Fails Chapter 70 note definition for 'glass wool' and glass fibers, falling to mineral wools in Chapter 68
If processed into woven fabrics from the roving
Woven or non-woven fabrics of glass fibers shift from raw rovings to finished textile articles in 7019.40
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Import Tips & Compliance
• Verify fiber diameter and twist specifications to confirm classification as roving under 7019.12, avoiding misclassification as yarn
• Provide manufacturer certifications for E-glass composition (silica content) to comply with Chapter 70 notes on glass fibers
• Ensure proper declaration of intended end-use to prevent reclassification during customs review
Related Products under HTS 7019.12.00.80
S-Glass Roving for Aerospace Composites
S-glass roving features high-strength continuous glass filaments for aerospace structural composites like aircraft fuselages. Classified in HTS 7019.12.0080 as other rovings, it meets Chapter 70 definitions for glass fibers including fused silica variants. Superior modulus and fatigue resistance distinguish it from standard E-glass.
AR-Glass Roving for Concrete Reinforcement
Alkali-resistant (AR) glass roving withstands cement's high pH environment, used in glass fiber reinforced concrete (GFRC) panels. HTS 7019.12.0080 covers this as other rovings meeting fused glass fiber definitions. Zirconia content provides essential chemical durability.
C-Glass Roving for Chemical Tank Linings
Corrosion-resistant C-glass roving for resin infusion in chemical storage tanks and piping. Falls under HTS 7019.12.0080 as other continuous filament rovings per Chapter 70 glass definitions. Borosilicate composition provides superior acid resistance.
Direct Roving 2400 Tex for Pultrusion
Direct-drawn E-glass roving at 2400 tex linear density for pultrusion processes making structural profiles. HTS 7019.12.0080 classification as other rovings not statistically specified. High strand count optimizes for continuous molding operations.
Single-End Roving for Filament Winding
Single-end glass roving for automated filament winding of pressure vessels and rocket motor casings. Classified HTS 7019.12.0080 as other rovings meeting continuous filament criteria. Controlled tension delivery system essential for hoop/winding patterns.
Textile Roving for Spray-Up Applications
Textile-sized glass roving optimized for robotic spray-up in open mold composites. HTS 7019.12.0080 covers as other rovings per Chapter 70 glass fiber definitions. Gun roving format prevents filament breakage during pneumatic chopping.