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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
Polyethylene Terephthalate (PET): A Comprehensive Review

What are the main applications of PET?

Polyethylene terephthalate (PET) is a chemically stable polyester, and its use has risen dramatically in the last few decades with a multitude of applications, ranging from food and drink containers to the manufacture of electronic components and as fibers in clothes. Explore some of the key applications of PET here.


Key Applications

Polyethylene Terephthalate is used in several packaging applications as mentioned below:

  • Because Polyethylene Terephthalate is an excellent water and moisture barrier material, plastic bottles made from PET are widely used for mineral water and carbonated soft drinks
  • Its high mechanical strength, makes Polyethylene Terephthalate films ideal for use in tape applications
  • Non-oriented PET sheet can be thermoformed to make packaging trays and blisters
  • Its chemical inertness, together with other physical properties, has made it particularly suitable for food packaging applications
  • Other packaging applications include rigid cosmetic jars, microwavable containers, transparent films, etc.

PET monofilament is mainly used for making mesh fabrics for screen-printing, filter for oil and sand filtration, bracing wires for agricultural applications (greenhouses etc.), woven/knitting belt, filter cloth, and other such industrial applications.

PET has wide applications in textile industry. Polyester fabrics are strong, flexible, and offer additional benefit of less wrinkles and shrinkage over cotton. Polyester fabrics are light-weight, reduced-wind, drag-resistant and more resistant to tears.

Thanks to good electrical insulating properties, high structural and dimensional stability, polyethylene terephthalate is widely used in electrical and electronics industry. It is an effective polymer to replace die casts metals and thermosets in applications like: electrical encapsulation, solenoids, smart meters, photovoltaic parts, solar junction boxes, etc. Polymer’s outstanding flow characteristics enable design freedom and miniaturization to produce high-performance parts.

PET is successfully being used in many applications in the automotive industry. It is currently being employed in the following applications: wiper arm and gear housings, headlamp retainer, engine cover, connector housings.

PET is used for refillable water bottles
PET offers good electrical insulating properties
PET has wide applications in textile industry

Key Properties



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