Polyethylene Naphthalate (PEN)


Polyethylene naphthalate (PEN) is a polycondensation-produced thermoplastic of the polyester family. PEN is prepared by polycondensation of ethylene glycol and naphthalene dicarboxylic acid dimethylester. PEN can be used as a copolymer PET / PEN or as a polymer blend PET + PEN and can not only be used as a homopolymer.

Properties of PEN

  • High gas-tightness
  • High heat resistance
  • High chemical resistance
  • High UV resistance
  • Good resistance to alcohols, aromatic hydrocarbons, fats and oils, ketones, alkalis.

Applications of PEN

Packaging for hot-filled food, containers, packaging (films and threads), medical equipment

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Ferhan Alacaoglu

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