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eva鞋底是什么材质
更新时间: 2020-12-07 17:48:06  

指的是乙烯或者醋酸乙烯酯共聚物。其主要成分包括乙酸乙烯和乙烯,二者共聚而成eva。其与聚乙烯相比,eva在分子链中加入了醋酸乙烯,从而降低了高结晶度,提高了它的柔韧性、抗冲击性、热密封性能。此外,该材质的化学稳定性高,抗老化性能良好,且无毒。因其突出的优点,被广泛应用于发泡鞋料、包装膜、热熔胶、电线电缆、功能性棚膜、玩具等领域。

关键词: eva 鞋底 什么 材质

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