Versatile PU resins for pultrusion enable high productivity of durable composite parts
The pultrusion process combines shaping, fiber impregnation, and matrix curing into a single continuous operation and allows for efficient production of high-performing straight parts with constant cross-section. Learn more about the PU-pultrusion process with Baydur® PUL in the video below:
Innovative Technology for Advanced Applications
Baydur® PUL resins are the result of over a decade of in-depth research and development. They offer a competitive edge in various applications across multiple industries, such as:
Building & Construction
Baydur® PUL combines high mechanical properties with excellent thermal insulation, resulting in a durable and high-performing material. This makes it ideal for energy-efficient and strong window and door frames, as well as other structural profiles used in construction.
Renewable Energy & Infrastructure
Baydur® PUL resins are highly suitable for cost-efficiently producing of high-performing and long-lasting applications in infrastructure, such as carbon or glass fiber-reinforced wind blade spar caps and solar panel frames, exemplifying their use in renewable energy projects.
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Photovoltaic (PV) frame from glass fiber-reinforced polyurethane -
Carbon fiber wind blade spar cap prefabs -
Fiberglass profiles for wind blade spar cap prefabs
Automotive & Transportation
Higher line speeds, lower costs
Our innovative PU resins offer significant advantages for the pultrusion process, including low viscosity and high reactivity, which result in high line speed, improved productivity, and reduced manufacturing costs. In fact, our polyurethane pultrusion technology can save up to 20% on production costs compared to vinyl ester and epoxy systems.
More sustainable solutions available today
Covestro is dedicated to sustainability, offering Baydur® PUL resins as ISCC PLUS certified mass balance attributed products. These products have been attributed to feedstock originating from biomass, bio-waste and -residues, reducing the carbon footprint of the neat resin. Our mass balance solutions seamlessly integrate as drop-in replacements, requiring no technical modifications to existing production processes.
Empower your composite solutions: we support you in PU pultrusion
Our Baydur® PUL polyurethane pultrusion resins offer unmatched properties and productivity. With cost savings resulting from higher line speeds, they produce strong and durable parts for diverse industries. A good choice for advanced composite applications.
Key Benefits
- Design flexibility Our PU resins enable customization of properties for simple or complex composites.
- Fast but stable processing Baydur® PUL offers low viscosity, high reactivity, fast pultrusion, and high-quality parts.
- Outstanding performance Baydur® PUL resins offer excellent mechanical properties and corrosion resistance for demanding uses.
- Cost-saving Baydur® PUL pultrusion technology can save up to 20% on production costs compared to other resins.
- More sustainable ISCC PLUS certified mass balanced option available: a drop-in solution with reduced carbon footprint
