Engineering Tool

Material Comparison

Pick up to four materials and see their properties side by side. Temperature range, durometer, chemical behavior, compliance, and trade-offs for every major gasket material.

Side-by-Side

Stack materials against each other.

Select up to 4 materials
3 of 4 selected · 8 materials available
Property
EPDM
Elastomer
Buna-N (Nitrile, NBR)
Elastomer
Viton (FKM)
Elastomer
Temperature range-40°F to +250°F-30°F to +250°F-15°F to +400°F
Durometer40–90 Shore A40–90 Shore A60–95 Shore A
Relative cost
Best chemical compat.Water, steam, ozone, brake fluid, polar solventsPetroleum oils, gasoline, hydraulic fluids, waterAggressive fuels, chlorinated hydrocarbons, acids, aromatic solvents
AvoidPetroleum oils, gasoline, aromatic hydrocarbonsOzone, sunlight, strong acids, ketonesLow-molecular-weight esters, amines, ketones
Compliance
FDA 21 CFR 177.2600NSF-61AMS 3027
Mil-P-25732ASTM D2000 BG/BF/CH
Mil-R-83248ASTM D2000 HKNORSOK M-710
Typical applicationsHVAC seals, automotive weatherstrip, water treatment, roofing membranesFuel systems, hydraulics, oil seals, automotive gasketsAerospace fuel systems, semiconductor, oil & gas, chemical processing
Strengths
  • Excellent weathering & ozone resistance
  • Outstanding steam resistance
  • Good low-temp flexibility
  • Best-in-class oil resistance per dollar
  • Wide hardness range
  • Good mechanical properties
  • Exceptional chemical resistance
  • High-temperature capability
  • Low gas permeability
Weaknesses
  • Poor oil/fuel resistance
  • Not for petroleum contact
  • Poor weather/ozone resistance
  • Limited high-temp range
  • High cost
  • Poor low-temperature flexibility
  • Not for steam > 300°F
Need a custom spec combining these materials? Request a quote with your application details.
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Disclaimer

This tool is provided as a reference aid to help engineers locate relevant information, it does not replace a formal specification, a Cannon Gasket engineering review, or the manufacturer datasheet for your specific application. Verify all critical values against the primary source before committing to a design. See our Terms of Use for the full disclaimer.

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ISO 9001 CertifiedAS9100-ReadyMIL-Spec CompatibleFDA / USP Class VIEst. 1971ISO 9001 CertifiedAS9100-ReadyMIL-Spec CompatibleFDA / USP Class VIEst. 1971ISO 9001 CertifiedAS9100-ReadyMIL-Spec CompatibleFDA / USP Class VIEst. 1971ISO 9001 CertifiedAS9100-ReadyMIL-Spec CompatibleFDA / USP Class VIEst. 1971