Rubber Properties Chart

The rubber properties chart provides a guide for making initial decisions about the suitability of an elastomer for a given application or service environment, most of the main rubbers are included in the properties chart below. White Cross Rubber’s capability also extends to a wide variety of more specialist blends and formulations, please contact us for more details.

ELASTOMER Butyl EPDM Hypalon Natural Neoprene Nitrile
IIR EPDM CSM NR CR NBR
Operating Temperature -45 to 150ºC -50 to 140ºC -35 to 150ºC -45 to 95ºC -35 to 110ºC -35 to 125ºC
Mechanical
Strength
Fair / Poor Fair / Good Good / Excellent Excellent Good / Excellent Good
Abrasion Resistance Good Fair Good Good / excellent Good Excellent
Flex
Resistance
Good Fair Good Excellent Good Fair
Low Temp. Flexibility Good Good / Excellent Fair / Good Good Fair / Good Fair / Good
Ozone/Weather Resistance Excellent Excellent Excellent Poor / Fair Good Fair
Water
Resistance
Excellent Excellent Good Good Good Good
Impermeability to Gases Excellent Good Good / Excellent Fair Good Good
Oil
Resistance
Poor Poor Fair Poor Fair Excellent
Fuel
Resistance
Poor Poor Poor / Fair Poor Poor/ Fair Good
Resistance to Dilute Acid Excellent Excellent Excellent Good Fair Excellent
Resistance to Dilute Alkali Excellent Good Excellent Fair Fair Good
Special Properties Self extinguishing, good pigmentation Self extinguishing Fuel and oil resistance
ELASTOMER Polyurethane SBR Silicone Thermoplastic elatomers  Vamac Viton
PU SBR VMQ TPE AEM FKM
Operating Temperature -50 to 90ºC -40 to 95ºC -60 to 300ºC -40 to 80ºC -30 to 175ºC -20 to 250ºC
Mechanical
Strength
Excellent Good Poor Good Fair / Good Good
Abrasion Resistance Excellent Excellent Fair Good / Excellent Good Good
Flex
Resistance
Excellent Good Poor / Fair Good / Excellent Fair / Good Poor / Fair
Low. Temp Flexibility Good Good Excellent Good Fair Poor / Fair
Ozone/Weather Resistance Excellent Poor / Fair Excellent Excellent Excellent Excellent
Water
Resistance
Fair Good Excellent Good Excellent Excellent
Impermeability to Gases Good Fair Poor Good Good / Excellent Good / Excellent
Oil
Resistance
Good / Excellent Poor Poor / Fair Poor / Fair Good Excellent
Fuel
Resistance
Good Poor Poor Poor Poor / Fair Excellent
Resistance to Dil. Acid Fair Fair Fair Fair Fair Good
Resistance to Dil. Alkali Good Fair Fair Fair Poor Fair
Special Properties Abrasion resistance Heat resistance Non halogen / low smoke emission Heat and chemical resistance