In comparison with cristalline technopolymers, the amorphous polymers’ properties are:

  • Transparency
  • Low coefficient of linear thermal expansion
  • Good dimensional stability
  • Quite independence of the elastic modulus on temperature

However, unlike semi-crystalline materials, the presence of one single phase does offer:

  • Less abrasion and wear resistance
  • Limited resistance against chemical agents
  • Less resistance against environmental agents
  • Less stress resistance

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