• 热收缩薄膜的特性
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热收缩薄膜的特性

  • 19/03/2018 09:42:46

热收缩薄膜的特性 热收缩薄膜实质上就是双向拉伸薄膜。薄膜的双向拉伸就是在熔点以下、玻璃化温度以上的温度范围内把未拉伸的薄膜或片材在纵横两个方向上拉伸,使分子链或特定的结晶面与薄膜表面平行取向然后在张紧的条件下进行热处理。拉伸薄膜改进了力学强度如提高了拉伸…

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