AR-Glass Roving for Concrete Reinforcement
Alkali-resistant (AR) glass rovings resist cement's alkaline environment, used to reinforce concrete, GRC panels, and shotcrete applications. HTS 7019.12.00 covers these specialized rovings as continuous glass fiber assemblies.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If textured or bulked for specific composite processes
Textured yarns have modified structure for better resin wet-out, separate from smooth rovings.
If when pre-impregnated with resin as FRP prepreg
Chemical treatment creating prepared binders shifts to Chapter 38 from raw glass fibers.
If imported as multi-axial mats or assembled fabrics
Assembled glass fiber products beyond simple rovings classified as other articles.
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Import Tips & Compliance
• Include alkali resistance certification (ZR rating) to justify AR-glass classification over standard types
• Declare end-use in construction composites; bulk packaging affects Form 7501 line descriptions
• Watch for fiber blooming during shipping; proper container ventilation prevents customs holds
Related Products under HTS 7019.12.00
E-Glass Roving for Wind Turbine Blades
E-glass rovings are continuous fiber bundles of glass filaments designed specifically for reinforcing composite materials in wind turbine blades. They fall under HTS 7019.12.00 as rovings, which are untwisted and lightly sized assemblies of glass strands used in filament winding and pultrusion processes.
S-Glass Roving for Aerospace Composites
S-glass rovings offer higher strength than E-glass, used in aerospace structural composites like aircraft skins and rocket casings. Classified under HTS 7019.12.00 as continuous glass fiber rovings for advanced reinforcement applications.
C-Glass Roving for Chemical-Resistant Laminates
C-glass rovings provide corrosion resistance for pipes, tanks, and chemical processing equipment laminates. They qualify under HTS 7019.12.00 as rovings of glass fibers including fused silica variants.
Direct Roving 2400 Tex for Filament Winding
Direct-drawn rovings at 2400 tex linear density for high-speed filament winding of pressure vessels and pipes. HTS 7019.12.00 specifically includes these single-end rovings essential for automated composite manufacturing.
Powder-Bonded E-Glass Roving for Pultrusion
E-glass rovings with powder binder sizing optimized for pultrusion dies producing structural profiles. Falls under HTS 7019.12.00 as standard glass fiber rovings for thermoset composite processing.