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SustaPEI MG natural


Our specialist for medical devices

SustaPEI MG was developed for the high demands of the healthcare sector. As a material with high purity and very good resistance to sterilisation, it is ideal for surgical instruments, for example. Thanks to its high glass transition temperature, PEI retains its mechanical properties and dimensional stability up to approx. 170° C. The strength level is above that of other amorphous high-performance plastics (PSU, PPSU). PEI has a remarkably high resistance to high-energy gamma radiation.



  • High purity
  • Very good sterilisation resistance
  • High stiffness even at high temperatures
  • Very high continuous service temperature
  • ISO 10993-5 tested on semi-finished product
  • Good resistance against high energy radiation


We are a system supplier and partner from the idea to the OEM's end product - as a cooperative value contribution. We are able to support the healthcare industry at the highest level.

Armin Reuner - Industry Manager Healthcare - Mail:

No stock item (MOQ)
793018SustaPEI MG natural extruded rod rod naturalØ 50 x 3000 mm 3 000 mm 50 mm

Technical Specifications SustaPEI MG natural

Test MethodUnitGuideline Value
DensityDIN EN ISO 1183-1g / cm31,28
Test MethodUnitGuideline Value
Yield stressDIN EN ISO 527MPa125
Elongation at breakDIN EN ISO 527%10
Tensile modulus of elasticityDIN EN ISO 527MPa3200
Tensile strengthDIN EN ISO 527MPa125
Shore hardnessDIN EN ISO 868scale D87
Ball indentation hardness (H358/30)DIN EN ISO 2039-1MPa230
Unnotched impact strength (Charpy)DIN EN ISO 179/1eUkJ / m23,2
Shore hardnessDIN EN ISO 868Shore D87
Elastic modulus of compressionDIN EN ISO 604MPa3150
Test MethodUnitGuideline Value
Glass transition temperatureISO 11357-3°C216


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