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PET – Polyethylene Terephthalate
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Engineering plastics

PET – Polyethylene Terephthalate

PET is a thermoplastic polyester known for its high strength, low water absorption, and very good barrier properties. It is widely used in the packaging industry, electrical engineering, and mechanical engineering. In addition to packaging applications, there are also technical PET materials designed for precise structural components.

Advantages

  • High mechanical strength
  • Low water absorption
  • Good dimensional stability
  • Excellent barrier properties
  • Good chemical resistance
  • Good electrical insulation
  • Recyclable
  • Good wear resistance

Disadvantages

  • Requires drying before processing
  • Lower toughness than PC
  • Limited UV resistance without stabilization

Typical applications

PET bottlesFood packagingElectrical connectorsPrecision technical partsBearingsGuiding elementsTextile fibersElectrical insulatorsAutomotive components

Processing

Injection moldingExtrusionBlow moldingCompression molding

Most common modifications

PET GF30PET FRPET UVPET Bottle GradePET Food ContactPET High FlowPET ConductivePET Wear Resistant

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