PBT is suitable but not very commonly used in machine design.
- 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.
- Computer keys
- Frames of automotive lights
- Electric connectors