Core material for an automobile bumper

Details Core material for an automobile bumper Core material for an automobile bumper

C - Chemistry, Metallurgy

08

J

18/637

C08J 9/18 (2006.01) B60R 19/03 (2006.01) C08J 9/232 (2006.01)

Patent

CA 1233608

Abstract of the Disclosure For use in an automobile bumper, a core ma- terial composed of a molded article of prefoamed poly- olefin resin particles. The core material has a density of 0.05 to 0.15 g/cm3 and the relation represented by the following expression E20/??20 kg-cm/g wherein E20 is the amount of energy absorp- tion (kg-cm/cm3) when the core material is compressed to 50% at 20 °C, and ? is the density (g/cm3) of the core material.

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