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 |