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Glass fibers (including glass wool) and articles thereof (for example, yarn, rovings, woven fabrics): > Other: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified 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.
S-Glass Filament Winding Yarn
High-strength S-glass fiber yarn designed for filament winding applications in aerospace and pressure vessels. Falls under HTS 7019.90.51 as 'other' glass fibers not specifically provided for elsewhere in heading 7019. Distinguished from textile yarns by industrial reinforcement purpose.
C-Glass Surface Veil Mat
Non-woven C-glass fiber veil mat used as surface finish in corrosion-resistant composite panels and pipes. HTS 7019.90.51 covers this 'other' glass fiber article not qualifying as yarn, roving, or fabric. Low-alkali C-glass composition per Chapter 70 fused silica inclusion.
AR-Glass Chopped Strand Mat
Alkali-resistant AR-glass chopped strand mat for concrete reinforcement and GRC panels. Classified in HTS 7019.90.51 as other glass fiber articles, specifically non-woven mats not elsewhere specified. High zirconia content provides concrete compatibility.
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.
Glass Fiber Unidirectional Tape
Unidirectional glass fiber tape with fibers aligned in single direction, lightly stitched for handling. HTS 7019.90.51 for other glass fiber articles; minimal stitching doesn't constitute woven fabric per tariff terms. Used in advanced composites.
Milled Glass Fiber Powder
Milled E-glass fibers reduced to powder form for thermoset resin fillers and injection molding compounds. HTS 7019.90.51 covers 'other' glass fiber articles including processed forms not elsewhere specified. Aspect ratio maintained despite milling.
Glass Fiber Sleeve Tubing
Braided glass fiber expandable sleeve for wire harness protection and thermal insulation. HTS 7019.90.51 for other glass fiber articles; braiding doesn't constitute woven fabric per tariff distinction. Open construction allows expansion.
Quartz Fiber Continuous Yarn
High-purity quartz fiber yarn for extreme temperature aerospace applications. Included in HTS 7019.90.51 per Chapter 70 note defining 'glass' to include fused quartz/silica. Purity exceeds 99.9% SiO2.
Glass Fiber Needled Felt
Needle-punched glass fiber felt for filtration media and insulation. HTS 7019.90.51 for other non-woven glass fiber articles; mechanical needling doesn't constitute chemical bonding or weaving. Various densities available.