• 缠绕薄膜共挤流涎成型
  • 1

缠绕薄膜共挤流涎成型

  • 10/09/2018 09:20:05

缠绕薄膜共挤流涎成型1.选材与性能缠绕膜必须具有韧性高、耐刺穿及良好的自黏性,所以原料的选择至关重要。线型低密度聚乙烯(LLDPE)树脂的分子结构成链状,相对分子质量分布窄,支链短而少。结构上的特点使它具有优良的物理性能,如冲击强度、耐穿刺、抗低温冲击强度好等,若工…

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