• 流延PP (CPP )薄膜及生产技术 流延膜设备
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流延PP (CPP )薄膜及生产技术

  • 20/12/2017 09:22:01

流延PP (CPP )薄膜及生产技术 1.树脂的选用:一般选用挤出级PP树脂,MFR在10~12 g/10 min。树脂的型号根据流延薄膜的用途选定。例如,耐140℃以上高温蒸煮杀菌级薄膜,应选用嵌段共聚PP树脂;普通包装级薄膜可选用均聚PP树脂。 2.温度:挤出温度现以机头宽1.3 m用 Φ120 …

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