Low-density foam core - 3/1/2007

DIAB (Desoto, Texas) has added to its Divinycell HP range of core materials a low-density version, HP60. The product offers a nominal density of 65 kg/m3 (4.1 lb/ft3), which will permit further weight reductions in advanced sandwich composite structures. Targeted to the wind energy and marine markets, particularly in

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DIAB (Desoto, Texas) has added to its Divinycell HP range of core materials a low-density version, HP60. The product offers a nominal density of 65 kg/m3 (4.1 lb/ft3), which will permit further weight reductions in advanced sandwich composite structures. Targeted to the wind energy and marine markets, particularly in applications that use prepregs, the material has compressive strength and modulus sufficient, says the company, to resist the buckling loads experienced by wind blades. Further, its high service temperature makes it suitable for dark-colored decks and other exterior structures. Fully compatible with the majority of epoxy prepregs, the core features a processing temperature of up to 140°C/284°F, with good adhesion and peel strength. It also can be used in closed molding processes, such as resin infusion and RTM.