E-Glass Continuous Roving
E-glass continuous roving consists of bundles of parallel glass filaments drawn from molten glass, used primarily in filament winding for composites. It falls under HTS 7019.19.91.00 as 'other' glass fiber rovings not specified elsewhere in the subheading. These rovings are untwisted and designed for reinforcement in fiberglass products.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If textured or crimped
Textured glass yarns are classified separately under 7019.11 for specific yarn types, differing from straight rovings.
If made into woven fabric
Woven fabrics of glass fibers shift to heading 7019.40, as they are finished textile products rather than raw rovings.
If silica content <60% without qualifying oxides
Per chapter notes, mineral wools not meeting glass wool specs fall under 6806 as other mineral wools.
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Import Tips & Compliance
• Verify filament diameter and sizing type in documentation to confirm classification; ensure supplier certificates match E-glass composition (silica >60%); watch for misclassification as yarn if twisted
Related Products under HTS 7019.19.91.00
S-Glass Chopped Strand Mat
S-Glass chopped strand mat is a non-woven fabric made from chopped S-glass fibers (high-strength silica-alumina glass) bonded with binder, used for hand lay-up in marine composites. Classified under HTS 7019.19.91.00 as 'other' mats of glass fibers. It provides isotropic reinforcement in laminates.
AR-Glass Roving for Concrete Reinforcement
Alkali-resistant (AR) glass roving features zirconia content for durability in cementitious matrices, used in spray-up GRC (glassfiber reinforced concrete). It is classified in HTS 7019.19.91.00 as other glass fiber rovings. Essential for structural precast elements.
E-Glass Assembled Roving for Pultrusion
E-glass assembled roving combines multiple strands for high-volume pultrusion processes in profiles like ladder rails. Falls under HTS 7019.19.91.00 as other rovings. Provides excellent wet-out with resins.
C-Glass Chopped Strands 1/4 Inch
C-glass chopped strands, 6mm length, offer corrosion resistance for thermoplastics like polypropylene compounds. Classified under HTS 7019.19.91.00 as other chopped strands. Ideal for injection molding reinforcement.
High-Strength S-Glass Yarn Roving
High-strength S-glass yarn roving for aerospace prepregs, with tensile strength >4,500 MPa. Under HTS 7019.19.91.00 as other. Meets MIL-S-24241 specs.
Texturized E-Glass Bulked Roving
Texturized E-glass roving with bulked filaments for filtration media. HTS 7019.19.91.00 other. Enhances air permeability.