• PE热收缩薄膜生产工艺流程
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PE热收缩薄膜生产工艺流程

  • 21/03/2018 09:12:38

PE热收缩薄膜生产工艺流程 不交联二泡法:不交联二泡法工艺流程如下:选用Φ45 mm的挤出机,采用平挤下吹法,第一次的吹胀比1.2一1.5,第一次稍有拉伸。第一次吹胀后的膜管通过冷却水套,水温为15一20℃,待膜管冷却到40-50℃后,进人150℃左右的加热烘箱,同时吹胀和拉伸。…

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