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新聞資訊

吹膜過程中發現開口性差

2021-01-06 09:13:38 AM

①原料開口劑不足。開口劑一般為無機物,在塑膜表面形成凸點,避免了兩層膜粘緊。


②原料滑爽劑不足。如油酸酰胺等,受熱后析出到膜面,起滑爽作用。


③生產時加工溫度太高,冷卻不足,應降低加工溫度,增加風量。


④牽引速度過快。應降速。


少妇人妻系列无码专区视频
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