What Is Extrusion Lamination Process

Inside an extrusion coating and laminating line the substrates and melt are nipped at a bonding station.

What is extrusion lamination process.

Both processes allow us to create custom packaging films to meet specific performance criteria. Another lamination process uses a lamination press after materials are combined in a thicker structure than film. The added value of extrusion lamination. This consists of a large roll a pressure roll and a counter pressure roll cooled by water.

As an example azdel a glass reinforced thermoplastic composite made with continuous glass mat is produced using an extrusion lamination operation film continuous random orientation glass mat and molten resin are combined in a lamination process using a sandvik double belted. Lamination and extrusion are common manufacturing processes used to create a variety of building products including bathroom partitions and lockers. Offering multiple extrusion coating laminating lines with varying width capabilities proampac produces a variety of products and substrates for flexible packaging applications. These processes although significantly different can produce materials that look very similar to the untrained eye.

In the extrusion coating of polyethylene a molten web of extruded polymer is applied as a thin coating onto a substrate which is passing continuously through a nip roll assembly see figure 2. The purpose of this. In extrusion lamination the molten polymer is. Dry bond lamination is the laminating process used to laminate two substrates both of which are non porous or impervious to filtration.

For example film on film and film on foil laminations would go through the process of dry bonding. Extrusion lamination is a similar process to extrusion coating where the resin is extruded between two substrates and acts as a bonding agent. What is the difference. When plastic films are involved either as a substrate or as an element in the finished structure the laminating adhesive is often a low density polyethylene applied by extrusion and the process is known as extrusion laminating.

Co extrusion edit co extrusion is again a similar process but with two or more extruders coupled to a single die head in which the individually extruded melts are brought together and finally. Extrusion laminating is a similar process except that the extruded hot molten resin acts as the bonding medium to a second web of material. Extrusion coating is one of the processes used to produce a large range of thin multilayer structures. Extrusion and lamination coating.