The winding film we see has a good sound field, showing that it is a roll of finished film. In fact, this is not the case in production. It is a whole film that is cut and then wound onto the paper barrel by compression. Do you know how we can compress and fix such a large film to shrink it into a small roll?
Today, the winding film manufacturer will introduce the relevant knowledge in this regard!The shrinkage of the winding film determines the packaging applied to small parts. The product is wrapped with the tension of the winding film and packaged in a compact unit without space. The product tray is tightly wound to prevent the deviation and movement of the product during transportation.
Adjusting the tension can tighten the rigid product and fix the soft product. It has unique packaging effect in tobacco industry and textile industry. A greater feature of the wound film is magnetization, China OEM Plastic clear packaging tape which is manifested in the strong resistance and contraction of the film. The winding film also has primary protection, and the primary protection provides the surface protection of the product.
Form light and protective appearance around the product to achieve the purpose of dust, oil, moisture, water and theft prevention.We know that PE winding film is mainly used in the packaging industry. Regardless of the shape, size and other aspects of the goods, the winding film can play a role with its special characteristics and advantages.
However, some users find that the goods are scattered when transporting the goods. Looking for the reasons, the winding film itself of the packaging goods has changed, and the looseness of the winding film has been greatly reduced.. Polyester (PET, PBT, pen, PETG) is a high polymer with high surface freedom and surface wet tension of more than 40 / cm.