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PO膜的特性是什么?

问答题
2022-04-24 05:49
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正确答案
主要特性:
①PO系特殊农膜系多层复合结构有较高的保温性和耐候性;
②具有高透光性,能达到PVC初始透光率水平,紫外光透过率高;
③由于对红外线透过率改性,可达到PVC膜的保温效果;
④质轻,不沾尘,作业性好;
⑤抗风和雪压,有破洞不易扩大;不要压膜线,只在肩部用卡槽压膜固定即可,省力,且提高透光性,低温下农膜硬化程度低;
⑥燃烧不生成有害气体,安全性好。

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PO膜的特性是什么?
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