作者: Itsuhiro Hatanaka , Makoto Saitou , Kiyoaki Kodama , Kazumichi Kato
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摘要: There is provided a resin foam excellent in dustproof performance, particularly performance dynamic environment. The of the present invention has thickness recovery ratio 65% or more, wherein defined as 1 second after releasing compressed state to an initial thickness, when for minute direction so give equal 20% 23° C. atmosphere; and then released atmosphere.