Recently, with the increasing demand for lightweight solutions in wind power, rail transit, and high-end composite material manufacturing, PVC Core Board (PVC Foam Core Board), as a high-performance structural core material, has attracted widespread market attention.
PVC Core Board is a closed-cell rigid structural foam core material manufactured from polyvinyl chloride (PVC) resin through cross-linked foaming processes-. In terms of performance, the product features excellent specific strength and specific stiffness, with hardness exceeding that of wood while density being only one-eighth that of ordinary wood-1-2; the closed-cell structure provides extremely low water absorption and excellent chemical resistance-; additionally, it offers good flame retardancy, thermal insulation, and sound and vibration damping properties. The product density ranges from 40 to 250kg/m³, with outstanding fatigue resistance and impact resistance, good dimensional stability, and excellent workability, suitable for various composite material molding processes including infusion, RTM, and casting.
Currently, PVC Core Board is widely applied in wind turbine blades, serving as the "skeleton" of the blades-1-2; in the rail transit sector, it is used for high-speed train body core materials, carriage ceilings, and interior decoration-; in marine manufacturing, it is applied in hulls, decks, and superstructures-; additionally, it is suitable for building exterior wall insulation, advertising display boards, and furniture backing panels--19. With the deepening implementation of the "carbon peaking and carbon neutrality" strategy, the PVC Core Board market holds broad prospects-2.
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