• 软质PVC塑料管材挤出生产技术
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软质PVC塑料管材挤出生产技术

  • 11/12/2017 09:34:17

软质PVC塑料管材挤出生产技术 软质PVC管材配方实例及其分析PVC塑料配方设计要点 (1)树脂的选择 软质PVC塑料一般选用低型号树脂,按GB 5761-86的标准,常用SG一或SG-3 。 (2)增塑体系 软质PVC塑料配方设计的难点是增塑体系要从制品的软硬程度、成型方法与制品使用环境…

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