The Compaxx 700 foam core for wind turbine blades is the first in a line of new core materials that will help manufacturers extend blade life with high performance sandwich composites. The materials come from Dow Formulated Systems, a business unit of The Dow Chemical Co.
Sandwich-panel fatigue testing following Germanische Lloyd requirements showed the foam core exhibits long-term dynamic behavior and shear-strength properties that build lightweight composites with excellent mechanical strength and fatigue resistance. These properties, coupled with a peel strength about three times higher than the historical reference of core material PVC 60 kg/m3, create a tight core-to-skin bond necessary for blade durability.
In addition, the foam core has a high run-to-run consistency leading to predictable mechanical properties that structural engineers can use to create more precise blades. The Compaxx system is available globally in commercial volumes.
Dow Formulated Systems
Filed Under: Blades, News