Using film extrusion technology of production

A total of extrusion is formed by more than one kind of thermoplastic melt flow of the process of extrusion. In this approach, because a single polymer can't meet the demand of certain services, especially from the demand of the packaging industry, although they can meet through the combination of the polymer. Were out in the first place in the production of stretch film in implementation, are now used in blown film and sheet extrusion. Purpose is usually to produce lamellar structure, each layer to the whole product performance plays a key role. Extrusion of film can be made up of many different functional layer is very complex structures, including the connection layer, its purpose is bonded with limited compatibility of the adjacent layers, and five layers are not uncommon. However, side by side, a total of extrusion is also possible. Fluorine plastic and other polymer extrusion, such as ETFE and nylon.