|
| |
|
Nitrile |
Flourocarbon (Viton®) |
Polyacrylate |
Silicone |
Neoprene® |
PTFE (Teflon®) |
| Temp Range (°F) |
-50° - 250° |
-20° - 400° |
-40° - 275° |
-100° - 300° |
-50° - 250° |
-110° - 500° |
| Durometer (Standard) |
70 |
75 |
75 |
75 |
70 |
N/A |
| Relative Cost |
1 |
4 |
1.2 |
1.5 |
1.5 |
5 |
|
|
| Abrasion Resistance |
2 |
2 |
3 |
4 |
4 |
1 |
| Compression Set |
2 |
2 |
3 |
2 |
2 |
1 |
| Cracking Resistance |
3 |
2 |
3 |
1 |
1 |
1 |
| Cut Growth Resistance |
2 |
4 |
2 |
4 |
4 |
2 |
| Flex Cracking Resistance |
3 |
2 |
3 |
2 |
2 |
2 |
| Impact Strength |
2 |
3 |
4 |
3 |
3 |
3 |
| Oxidation Resistance |
2 |
1 |
1 |
1 |
1 |
1 |
| Sunlight Resistance |
3 |
1 |
1 |
1 |
1 |
1 |
| Tear Resistance |
2 |
3 |
4 |
4 |
4 |
1 |
| Weathering Resistance |
2 |
1 |
1 |
1 |
1 |
1 |
Scale - 1=Excellent, 2=Good, 3=Fair, 4=Poor
| Surface Speed Limitations |
 |
| Under normal operating
conditions, the materials shown are recommended for their specified range
or any range below them. It is NOT recommended to exceed the surface
speed for a given material. |
Viton® and Neoprene®, and Teflon® are registered trademarks of
DuPont Dow Elastomers |
