Polyester PCB Boards

PCB Substrates 
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Editorial Team - PCB Directory

Sep 15, 2019

Polyesters, also called Polyethylene Terephthalate (PET), are the most commonly used material to manufacture flexible PCBs. They are best-known for their flexibility, good electrical properties, and high chemical and moisture resistance.

Key Characteristics:

  • They have a melting point of 250ºC and a glass transition temperature of 80ºC.
  • They have lower heat resistance that inhibits their use in assemblies that require soldering. 
  • Polyester films are generally available in a thicknesses of 25 to 125 microns. 
  • The material is light in weight

Polyester PCB materials are ideal for the manufacturing of Flexible PCB circuits i.e the boards that can be bent to fit into the constricted spaces.

Click here to see a list of PCB manufacturers that can fabricate polyester PCB Boards.

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