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 |
