• PVC-U和PE热收缩薄膜生产技术
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PVC-U和PE热收缩薄膜生产技术

  • 20/03/2018 09:18:23

PVC-U和PE热收缩薄膜生产技术 先将PVC进行配料,再进行塑化,配料和塑料工艺与PVC管材料相似。挤出机三段(从加料口向机头方向)的温度分别为:第一段170一175℃,第二段为180一185℃,第三段为180一185℃,机头温度为180℃。管膜在加热拉伸定型套中加热,温度为80-95℃,在此…

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