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拉伸膜加熱或拉伸過度會有什么影響
日期:2020-12-16 16:54:45 來源:宏展包裝

pe拉伸膜不可以過度加溫和拉伸,雖然說pe拉伸膜可運用于諸多行業領域的外包裝,但我們在運用pe拉伸膜的過程中依然會出現許多問題的,例如說pe拉伸膜在外包裝的過程中,原本外包裝的過程中pe拉伸膜還是好好的,不過在外包裝上去過后過了一段時間卻出現了慢慢被拉破或者是成型質量差的狀況,這是為什么呢?

拉伸膜

假如我們是將pe拉伸膜展開加溫過后再進行外包裝的情況下,那么就有可能是由于加熱板加熱量不足或者是加溫溫度與pe拉伸膜不匹配所導致的,過度偏高時,膜粘在熱封板上,增加膜的霧度,拉伸成型會出現部分偏薄。加溫溫度過度偏低時,膜加溫溫度低,不能到達膜的拉伸溫度,拉伸后破的較多。假如不是運用加熱板加溫過后再拉伸的情況下就有可能是由于拉伸過度導致的。

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