ZOLTEK carbon fiber is at the forefront of revolutionizing wind energy reinforcement, offering a blend of strength, stiffness, and cost-effectiveness that sets the standard in the industry. By utilizing ZOLTEK carbon fiber, wind turbine blades achieve greater aerodynamic efficiency, thanks to their sleeker profiles. This translates to blades that are not only lighter, longer, and stiffer but also stronger, ultimately leading to more efficient wind turbines overall. With ZOLTEK’s dependable and sustainably priced carbon fiber supply, wind energy projects benefit from lower Levelized Cost of Energy (LCOE) and increased Annual Energy Production.

ZOLTEK Technical Support

Tap into ZOLTEK’s wealth of technical expertise for spar cap manufacturing. With over 12 years of dedicated service to the wind energy sector, we offer invaluable insights into constructing wind blade structural composites with carbon fiber. Our technical assistance covers a range of topics, from material dispensing tools to cost-saving techniques, ensuring efficiency and savings for our customers.

Pioneering Wind Energy Solutions

Since 2004, ZOLTEK carbon fiber products have played a pivotal role in shaping wind turbine blade construction. Today, over 40,000 metric tons of ZOLTEK carbon fiber spin atop wind turbine towers, driving electricity generation worldwide. ZOLTEK PX35 products have emerged as the industry standard, powering the evolution of wind energy solutions.

Wind Energy Products

• PX35 tow – At the heart of every structural composite lies PX35 Carbon Fiber Tow from ZOLTEK. Our PX35 tow boasts an exceptional balance of strength and stiffness, making it ideal for the rigorous demands of wind energy applications. With its large tow size of 50K, PX35 enables high throughput processing, ensuring efficiency and reliability from start to finish.
• PX35 Uni-Directional Fabric – In the wind energy industry, resin infusion of uni-directional fabrics for wind blade spar caps is a widely recognized process. ZOLTEK leads the way by offering UD fabrics with areal weights ranging from 600 gsm to 900 gsm. Leveraging advanced fabric manufacturing technology and processes, ZOLTEK ensures superior permeability, enabling the infusion of thick laminates exceeding 50 plies and spar cap thicknesses surpassing 40mm.
• PX35 Pultruded Plate – ZOLTEK’s pultruded plate product marks a significant addition to our comprehensive product line tailored for wind energy applications. Through the pultrusion manufacturing process, we meticulously combine resin and fiber, ensuring perfect alignment and straightness to optimize composite properties, particularly compression strength. Leveraging our cutting-edge technology, ZOLTEK stands ready to provide guidance and support in constructing spar caps using pultruded plates, ensuring exceptional performance and reliability in wind turbine blade construction.