When we hear about PET film, we may wonder what it is used for.PET film is a versatile material used in a wide range of different applications. In this article, we will take an in-depth look at the properties of PET film, the manufacturing process and its use in various applications.

What is PET film?

PET is an acronym that stands for Polyethylene Terephthalate, which is a polyester-based plastic that is usually manufactured in the form of a film. Polyethylene terephthalate film has a number of unique properties that make it a widely used material. It is transparent, weather resistant, chemically resistant and easy to mold.

Properties of PET film

1. Good transparency
It has a light transmittance of more than 90%, which provides good transparency and is suitable for packaging transparent items.

2.Good heat resistance
It has good heat resistance and can be used under high temperature.

3.Good chemical resistance
It has good corrosion resistance to most chemicals and can be used to package corrosive items.

4.Good dimensional stability
It has good dimensional stability with small dimensional changes during use, suitable for printing, bag making and other processes.

5.High mechanical strength
It has high tensile strength and tear strength, has good mechanical strength, suitable for packaging hard items.

6.Easy to mold
Can be easily molded into various shapes, making it very flexible in the manufacturing process. This makes it ideal for customized packaging and special applications.

It is a recyclable material, which helps reduce the amount of plastic waste. This makes it ideal for sustainable packaging and manufacturing.

pet film machines

What is PET film used for

  1. Packaging Industry
    It is commonly used to make food packaging, pharmaceutical packaging, beverage bottles and packaging for various consumer products. Its benefits include transparency, which makes the product visible, and excellent heat and moisture resistance, which helps extend the shelf life of the product.
  2. Printing and advertising
    It can be used to create signs, posters, labels and packaging, and its weather resistance and print quality make it a popular choice.
  3. Solar panels
    It is used as a backsheet material for solar panels because of its excellent weathering, electrical insulation and chemical resistance, which helps to extend the life of solar panels.
  4. Medical field
    In the medical field, polyethylene terephthalate film is used to make medical devices, packaging materials and imaging screens for medical imaging equipment. Its high transparency and biocompatibility make it an ideal choice.
  5. Electronics
    It is also widely used in the electronics field, including the manufacture of lamps, displays, electronic labels and housings for electronic devices. Its electrical insulation and mechanical strength make it suitable for a variety of applications.
  6. Automotive industry
    PET film is used in the automotive industry for manufacturing vehicle logos, dashboard covers and seat backs. Its weatherability and chemical resistance help ensure that automotive parts remain in good condition under various environmental conditions.
  7. Construction
    In the construction sector, PET film is used to make window films, solar protection films and thermal films. It helps improve the energy efficiency of buildings and provides additional insulation and protection against UV radiation.
  8. Arts and crafts
    PET film is also widely used in arts and crafts. It can be used to make window decals, greeting cards, decorations and other handicrafts as it is easy to cut, paint and paste.


In short, polyethylene terephthalate film is a new material with a wide range of prospects for application. With the progress of science and technology, PET film will be more widely used and play an increasingly important role in people’s daily lives.