Views:7 Author:Site Editor Publish Time: 2020-12-16 Origin:Site
The transparent stretch film is used for the sales and transportation of various products, and its main function is to stabilize, cover and protect the product. The shrink film must have high puncture resistance, good shrinkage and a certain shrinkage stress. During the shrinking process, the film cannot produce holes. Since shrink film is often used outdoors, it is necessary to add UV anti-ultraviolet agent. The stretch film is produced by a three-layer co-extrusion casting process, and imported linear low-density polyethylene is used as the main raw material. So how is the stretch film made?
1. No black impurities, the die should be washed clean, no burnt plastic should fall into it, if it can be found by the naked eye, it must be removed immediately.
2. The paper tube of the stretch film must be aligned, not one side long and the other short, and the standard of white space on both sides is about 1 cm.
3. Minimize the wrinkles on both ends of the stretched film and the white compressed lines in the middle.
Fourth, the edge material of the stretched film should be cut neatly. If the cut is uneven, it cannot be shipped as a finished product, including when making the goods, the two ends must be rolled neatly, not more here and less.
The above is the process of making transparent stretch film by stretch film suppliers. The application of stretch film is very wide, and it is also an ideal packaging material. Nowadays, it has been widely used in many industries. The transparent stretch film can Through its own adsorption effect, it adheres to the surface of the product very well. It can better protect the surface of the product from dust and stains, and it can also play a role in scratches and bumps.