What is air column film in roll cushioning packaging material?                                                                                                                                                                                   

Air column film in roll cushioning packaging material is a kind of air column packaging material, as the name implies, it is a roll by a roll; air column packaging uses 7-layer co-extrusion film with PE + PA as the raw material, and the integration of PE makes the film elastic and wear-resistant; it uses air filling to form a natural buffer, which has a very good buffer effect, and is very suitable for logistics and transportation packaging; of course, it is very easy to use, the size can be easily customized according to the customer's requirements, without any mold cost;                                                                                 

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