How is PE Film made?

It is common to use different types of products in daily life and not know how they are made. Polyethylene and polyester film are two examples.

The truth is that most people don't even care much about such information. It's just necessary to make it available and be easily accessible.

You don't have to be a part of this majority to learn the process. Keep reading to find out more about how polyethylene film is made.

Before we get into the details of how polyethylene films are made, let us first define what they do. It's used.

Polyethylene can be described as a plastic. A thermoplastic is actually polyethylene. This means that it can be fused to liquid and reformed back to solid.

It is chemically synthesized out of ethylene, which is usually made from oil and natural gas.

Today, polyethylene is the most widely used plastic.

For polyethylene, the melting temperature and deformation temperature are between 110-115 deg C.

Polyethylene in all forms has unique properties like impact resistance, high flexibility and thermal and chemical stability.

Polyethylene is used in the production of packaging like plastic bags, geomembranes or bottles.

The process of making polyethylene

Let's now discuss the process of making polyethylene.

Ethylene, one of the elements used for manufacturing, is also one. It is a natural gas which reaches liquid at -104°C.

Ethylene is subject to the polymerization procedure. It is transformed into polymers which are tiny particles similar to grains. Hence comes polyethylene.

Production of polyethylene film

Now that you know how polyethylene films are made, let us explain how they are made.

Extrusion is the process that makes polyethylene film.

This is the beginning of the plastic film manufacturing process. The resin is melted until it becomes fused and malleable.

To make a continuous tube of plastic called a "bubble", the molten material is "pushed" (or better, "extruded") through a circular matrix.

The bubble is filled with air until it reaches the desired diameter. After cooling, it is pulled vertically from a tower and flattened.

The speed at which it is pulled out of the mold determines the thickness. The amount of air that is inserted into each bubble determines how wide the film will be.

By adding colored pigment resin granules to the melt, you can alter the film's color.

Many things can be done during this process. Printing images, instructions or company logos on polyethylene film can be done by a printer.

For individual bags, the film can be separated and cut. Ventilation holes may also be added.

Additional processing restrictions apply to the production of polyethylene film.

If the film needs further technical modifications, the laminated films will be removed from extrusion lines to be modified in what's known as offline conversion.

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We are available to help you purchase polyethylene film, regardless of their intended use.

To provide better service to our customers, we only work with top-quality products. We would be delighted to discuss your requirements with you.

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