Seven-layer co-extruded film is now a new type of polymer packaging material. Many people know that it is widely used. So, what is the general range of packaging film?
1. Tea, coffee, spices, food additives, aroma preservation, color preservation packaging are all seven-layer co-extruded film.
2. Mechanical parts; electronic components, etc .; anti-oxidation, anti-permeation, anti-corrosion, anti-hygroscopic packaging.
3. Food packaging, to prevent aflatoxin pollution and mildew, to prevent insects, prevent agglomeration, and extend the shelf life.
4. Seven-layer co-extruded film can also be used for vacuum packaging that needs to be reduced in volume, such as quilts, pillows, down jackets, mattresses, etc.
5. Packing of cooked meat products, soy products, seafood, sauces, braised goods, frozen products, and soft cans, to maintain the special flavor of food, to prevent the oxidation of fat and oil, and to prevent the penetration of fat.