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pe拉伸膜的作用和分類
日期:2020-11-14 15:04:56 來源:宏展包裝

pe拉伸膜是一種包裝打包材料,其中,將彈性膜在纏繞件四周拉伸,緊裹并在常溫狀態將其端部密封。組裝用于托盤纏繞的纏繞能夠節約能源,減少纏繞成本費用,降低物流運輸損耗并提升物流工作效率。那么,pe拉伸膜的歸類有哪些?

pe拉伸膜

pe拉伸膜的歸類:

1.手動拉伸膜:這個是一種手動纏繞材料。該拉伸膜通常對產品品質質量需求較低,纏繞重量約為4KG,以便于使用。

2.機器阻力拉伸膜:這類拉伸膜是機械纏繞的,在貨品的運動帶動下帶動膜卷,對拉伸強度的延伸有相應的需求,通常需求伸長率為300%左右產品體積重量通常為15kg

3.機器預pe拉伸膜:這類拉伸膜是通過機械方式纏繞的。纏繞時,自動纏繞機會先將拉伸膜拉伸到相應的比例,接下來再將其纏繞在要纏繞的貨品上。包

初期的拉伸傷口吹膜多,從一層到兩層和三層。到目前為止,LLDPE拉伸膜主要是選用一流的拉伸材料生產,由于一層流延無法實現單面粘合,所以其應用場景受限制。一層和雙層澆鑄在材料選擇上沒有三層澆鑄,同時配方成本費用也很高,所以三層共擠結構是理想的。伴隨著薄膜生產加工設備和加工工藝的提升,更加有利于提升產品品質質量和降低產品成本的層層包裝打包薄膜的優勢日趨凸顯。到目前為止,一層結構的拉伸膜已逐漸降低。

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