Polyetherimid (PEI)
PEI is an amorphous thermoplastic with high mechanical strength and stiffness. Due to its properties PEI is very close to polyarylsulfones. The material shows a remarkably high creep resistance over a wide temperature range.
PEI also has a high continuous operating temperature. The respective very good hydrolysis resistance and dimensional stability round off the property profile. Due to its amorphous molecular structure, PEI is transparent and has a golden yellow colour.
Properties:
- high permanent operating temperature (170°C)
- high mechanical strength
- high rigidity
- high creep resistance over a wide temperature range
- high dimensional stability
- very good hydrolysis resistance (suitable for repetitive steam sterilization)
- good electrical insulator
- good radiation resistance
Application:
- Electronics
- Semiconductor Technology
- Aerospace technology
- Food Technology
- Medical Technology
- Automotive Industry
- Vacuum Technology
