There are different kinds of rubbers, they have different advantages and disadvantages, in order to help people choosing elastomers, the worksheets can easily help you out. Or consult with the manufacturer what is the best for the working conditions.
| Elastomers |
Neoprene |
Butyl |
Nitrile |
Hypalon |
EPDM |
Viton |
PTFE |
| ASTM D-2000/D1418-77 |
BcBe |
AA |
BeBkCh |
CE |
BaCaDa |
HK |
|
| ANSI/ASTM D1418-77 |
CR |
IIR |
NBR |
CSM |
EPDM |
FKM |
AFMU |
| Alkali,conc. |
0 |
4 |
0 |
4 |
6 |
0 |
7 |
| Animal & Veg.oil |
4 |
5 |
5 |
4 |
5 |
6 |
7 |
| Chemicals |
3 |
6 |
3 |
6 |
6 |
6 |
7 |
| Water |
4 |
5 |
4 |
5 |
5 |
5 |
7 |
| Oxygenated Hydro |
1 |
4 |
0 |
1 |
6 |
0 |
7 |
| Lacquers |
0 |
3 |
2 |
0 |
3 |
1 |
7 |
| Oil & gasoline |
4 |
0 |
5 |
4 |
0 |
6 |
7 |
| Alkali Dilute |
4 |
4 |
4 |
4 |
6 |
4 |
7 |
| Acid,dilute |
6 |
6 |
4 |
6 |
6 |
6 |
7 |
| Acid,conc. |
4 |
4 |
4 |
4 |
4 |
6 |
7 |
| Aliphatic hydro |
3 |
0 |
6 |
3 |
0 |
6 |
7 |
| Aromatic hydro |
2 |
0 |
4 |
2 |
0 |
5 |
7 |
| Electr.insulation |
3 |
5 |
1 |
3 |
6 |
3 |
|
| Water absorption |
4 |
5 |
4 |
4 |
6 |
5 |
7 |
| Radiation |
5 |
4 |
5 |
5 |
7 |
5 |
3 |
| Swelling in oil |
4 |
0 |
5 |
4 |
0 |
6 |
7 |
| Rebound cold |
4 |
0 |
4 |
2 |
9 |
2 |
|
| Comp.set |
2 |
3 |
5 |
2 |
4 |
6 |
|
| Tensile strenght |
4 |
4 |
5 |
2 |
5 |
5 |
|
| Dielectric str. |
5 |
5 |
0 |
5 |
7 |
5 |
|
| Abrasion |
5 |
4 |
4 |
4 |
5 |
5 |
4 |
| Impermeability |
4 |
6 |
4 |
4 |
4 |
5 |
|
| Dynamic |
2 |
2 |
5 |
2 |
5 |
5 |
|
| Rebound hot |
5 |
5 |
4 |
4 |
6 |
4 |
|
| Heat |
4 |
5 |
4 |
4 |
6 |
7 |
7 |
| Cold |
4 |
4 |
3 |
4 |
5 |
2 |
|
| Flame |
4 |
0 |
0 |
4 |
0 |
6 |
|
| Tear |
4 |
4 |
3 |
3 |
4 |
2 |
|
| Ozone |
5 |
6 |
2 |
7 |
7 |
7 |
7 |
| Weather |
6 |
5 |
2 |
6 |
6 |
7 |
7 |
| Sunlight |
5 |
5 |
0 |
7 |
7 |
7 |
7 |
| Oxidation |
5 |
6 |
4 |
6 |
6 |
7 |
7 |
| Rating Scale: 7Outstanding 6Excellent 5Very good 4Good 3Fair to Good 2Fair 1poor to Fair 0 Fair | |||||||
