This fast-cycling resin offers high strength, rigidity and toughness and is supplied as unreinforced grades and in grades formulated with fiberglass and/or minerals for diverse applications.

Product Properties

  • Very hard, rigid and strong
  • Good creep resistance
  • High heat-distortion temperature, especially for glass fiber-reinforced grades
  • Service temperature to 140°C
  • Very good low-friction and wear-resistant properties
  • High dimensional stability (low thermal expansion coefficient, low water absorption)
  • Good electrical properties
  • Good chemical resistance
  • No environmental stress cracking
  • Good weathering resistance
  • Rapid crystallization and fast cycle time
  • Paintable
  • Flame-retardant grades available (UL 94 V-0, in some cases 5VA)

Depending on market requirements, the Celanex PBT flame-retardant system is low in migration and halogen-free.


  • Basic
  • Glass fiber and glass sphere reinforced
  • Glass fiber reinforced with very high surface gloss
  • Glass fiber/mineral reinforced
  • Flame retardant
  • UV stabilized
  • HR grades
  • Medical technology (MT®)
  • Special colors for laser marking
  • MetaLX™ metal effects


  • Injection molding
  • Extrusion
  • Meltblown
  • Physical foaming
  • Water and gas injection technology (WIT/GIT)

Various grades of Celanex PBT hold regulatory approvals including VDE or UL approvals for the electrical and electronic market, and FDA approval for the nutrition and medical markets.

Celanex® Short Term Properties Guide - Contains ISO & ASTM Data

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