Packaging Principle Of Stretch Film For Objects

Many users do not understand the principle of packaging objects when using stretch film. Generally, they only operate according to the method of use to package the objects. Today, I will introduce the packaging principle of stretch film to objects, so that Everyone has a deeper understanding of stretch film, the main contents are as follows:

In fact, stretch film packaging is similar to shrink film packaging. The stretch film wraps the entire object on the tray around the tray, and then two heat grippers heat seal the films at both ends together. This is the earliest form of use, and more packaging forms have been developed from this. Full-width packaging requires that the stretch film is wide enough to cover the tray, and the shape of the tray is regular. 35μm hand-pack This type of packaging is the simplest type of packaging, the film is loaded on a rack or by hand, rotated by the tray or stretched the film around the tray.

Stretch film is mainly used for repackaging after the packaged pallet is damaged, and for ordinary pallet packaging. This kind of packaging speed is slow, and the suitable film thickness is 15-20 μm; tray mechanical packaging This is the most common and extensive mechanical packaging form. The tray rotates or the film rotates around the tray, and the stretch film is fixed on the bracket and can move up and down. . This packing capacity is very large, about 15 to 18 trays per hour. The suitable stretch film thickness is about 15-25μm; the horizontal mechanical packaging is different from other packaging, and the stretch film is rotated around the article, which is suitable for long cargo packaging, such as carpets, boards, fiberboards, special-shaped materials, etc.