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Direct Yarn for Pultrusion / Winding

Chopped Strand Mat
October 23, 2025
Category Connection: Fiberglass Roving
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Tags:
#fiberglass direct roving #e glass fiber yarn #glass fiber roving
Brief: Discover the Direct Yarn for Pultrusion / Winding, a high-performance glass fiber yarn designed for reinforcing resins like unsaturated polyester, vinyl, and epoxy. With exceptional strength, modulus, and heat resistance, this yarn is perfect for pultrusion profiles and winding processes in industries like renewable energy and construction.
Related Product Features:
  • Fluorine-free and boron-free glass fibers ensure outstanding strength and elastic modulus.
  • Excellent processing characteristics with good ribbon-forming property and wear resistance.
  • Specially formulated sizing agent enhances adhesion between glass fiber and resin.
  • Fast penetration speed during manufacturing boosts production efficiency.
  • Stable linear density and high single-filament strength for consistent performance.
  • Suitable for reinforcing unsaturated polyester, vinyl, and epoxy resins.
  • Ideal for pultrusion profiles like photovoltaic frames and window frames.
  • Perfect for winding processes in large FRP pipes and low-pressure containers.
Faqs:
  • What resins is the Direct Yarn for Pultrusion / Winding compatible with?
    This yarn is compatible with unsaturated polyester resins (UP), vinyl resins (VE), epoxy resins (EP), and polyurethane resins (PU).
  • What are the main applications of this direct yarn?
    It is used for pultrusion profiles such as photovoltaic frames, window frames, and wind power equipment, as well as winding processes for large FRP pipes and low-pressure containers.
  • What are the key advantages of this yarn in manufacturing?
    The yarn offers fast penetration speed, high production efficiency, excellent adhesion performance, and superior mechanical properties due to its specially formulated sizing agent.
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