Compound Compatibility Table

Do you know how O-rings will behave once they come into contact with…?

1 – Very good suitability.
2 – Good suitaibility.
3 – Limited suitability.
4 – The elastomer is not suitable for the application.
x – Insufficient information available for service in this media.

Shore A Hardness

  • NBR: 40 – 90
  • HNBR: 50 – 90
  • EPDM: 40 – 90
  • FPM: 50 – 90
  • FFKM: 60 – 90
  • FEPM: 60 – 90
  • CR: 40 – 90
  • ACM: 50 – 85
  • IIR: 65
  • CSM: 70
  • FVMQ: 30 – 80
  • VMQ: 30 – 80

Approximative temperature ranges of the most usual polymers:

  • NBR: -20 up to +100 / +120
  • HNBR: -30 up to +130 / +150
  • EPDM: -30 up to +110 / +130
  • FPM: -20 up to +200 / +220
  • FFKM: -15 up to +320
  • FEPM: -20 up to +220 / +240
  • CR: -40 up to +100 / +120
  • ACM: -20 up to +150 / +170
  • IIR: -40 up to +120 / +140
  • CSM: 25 up to +110 / +130
  • FVMQ: -60 up to +180 / +200
  • VMQ: -60 up to +160 / +180

Continuous service temperature / Maximum operating temperature for a short period of time

Information provided in ºC 

* We highly recommend to verify the real temperature ranges of each compund in our Technical data sheets.


Material NBR HNBR EPDM FPM FFKM FEPM CR SBR ACM PU/AU IIR NR CSM FVMQ VMQ