2013.05.21 15:05
회원 특별전시회 - 2008.3.25 김포 어제와 오늘전
2013.05.20 10:52
|National Quality examination Center Qin Xiaobo, Deputy director of running shoes: Casual shoes currently available, And some sports footwear using polyurethane soles, Soles of these toppers lightweight, Adaptable, Feels good; Yet still, Under certain environment, The substrate of memory hydrolysis may occur. Case is the formula is not most ideal, Hold long likely to be hydrolysis, For the reason that polyurethane material properties mainly by the isocyanate and polyol two functional groups of the decision, These two efficient groups are very active, The formula inconsistent, Interact with water occurs hydrolysis phenomenon. The particular, The two functional groups prone to moisture build-up or condensation reaction, Thus helping the hydrolysis, Specifically in the south; One more is placed on too long, Memory aging,
2013.05.20 04:47
회원 특별전시회 - 2008.3.25 김포 어제와 오늘전
2013.05.19 22:12
회원 특별전시회 - 2008.3.25 김포 어제와 오늘전
2013.05.19 11:38
회원 특별전시회 - 2008.3.25 김포 어제와 오늘전
2013.05.19 10:56
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