Material table
Scale: 5 = best, 4 = excellent, 3 = good, 2 = fair, 1 = poor
Rubber type/
elastomer |
Natural
rubber
NR |
Styrene-
butadiene
rubber
NR/SBR |
Nitrile
rubber
NBR |
Chloroprene
rubber
CR |
Silicone
rubber
Q |
Ethylene-
propylene
rubber
EPDM |
Thermo-
plastic
elastomer
SEBS/TPE |
| Tensile strength MN/m² | 4-25 | 4-25 | 4-18 | 4-20 | 3-10 | 4-18 | 5-8 |
| Elongation at break % | 100-600 | 100-500 | 100-400 | 100-500 | 400-700 | 100-400 | 400-600 |
| Operating temperature | | | | | | | |
| - long-term °C | 60 | 70 | 80 | 80 | 200 | 90 | 100 |
| - short-term °C | 100 | 100 | 130 | 130 | 275 | 150 | 100 |
| - sub-zero °C | 30-60 | 20-50 | 10-50 | 20-50 | 50-80 | 30-60 | 40 |
Residual
deformation °C/% | 70/20-60 | 70/20-60 | 100/20-60 | 100/30-80 | 150/20-60 | 100/20-60 | 70/30-40 |
| Resilience | 5 | 4 | 3-4 | 3-4 | 1-3 | 3 | 3 |
Electrical
properties | 3 | 3 | 1-2 | 3 | 4 | 4 | 4 |
| Resistance | | | oil resistant | | | | |
| - weather and ozone | 1-2 | 1-2 | 1-3 | 4 | 5 | 5 | 4 |
| - chemicals | limited | limited | limited | limited | limited | limited | limited |
| - wear | 4-5 | 4 | 3-4 | 3-4 | 1-3 | 3 | 2-3 |
| - flame | 1 | 1 | 1-2 | 3-4 | 2-5 | 1 | 1-2 |
| Gas tighness | 3 | 3 | 3 | 3-4 | 1-2 | 2-3 | 1-2 |
| Gluing properties | 4 | 3 | 3-4 | 3-4 | 1-2 | 1 | 1-2 |
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