PBT

PBT is suitable but not very commonly used in machine design.

Why choose?

  • Nice “dry” surface that can be easily printed but also painted
  • Dimensionally accurate in comparison to most other semi-crystalline options
  • The product is exposed to moisture, PBT does not absorb water (unlike PA does)

Why not choose?

  • Your product is in contact with boiling water or steam for prolonged periods of time. Hydrolysis degrades polyesters.

Typical applications:

  • Computer keys
  • Frames of automotive lights
  • Electric connectors

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All information on Plasticprop.com is based on the best knowledge and understanding of experienced plastic product designers. Nevertheless, we may be wrong. Do not use this website as your primary or only source of information. Always check and test in practice. Kindly contribute, if you know better. We do not take any responsibility, financial or ethical, for the outcome of your product.