Natural-rubber/ Isoprene NR/IR |
Styren-butadien rubber SBR | Butadi-ene rubber BR | Etylene propylene rubber EPM/EPDM | Butyl rubber IR | Chloro-prene rubber CR | Nitrile rubber NBR | Silicone rubber PMQ* | |
PROPERTY | ||||||||
Max temp (F) | 176 | 194 | 176 | 248 | 194 | 185 | 194 | 392 |
Min temp (F) | -58 | -40 | -103 | -31 | -49 | -31 | -22 | -112 |
Tear strength | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 1 |
Abrasion resistance | 4-5 | 4-5 | 5 | 3 | 3 | 3-4 | 3 | 1-2 |
Oil/fuel resistance |
1 | 1 | 1 | 1 | 1 | 2-3 | 3-4 | 2-3 |
Weather/ ozone resistance |
1-2 | 1-2 | 1-2 | 5 | 4 | 3 | 1-2 | 5 |
Water swelling |
4 | 4 | 4 | 5 | 4 | 2-3 | 3-4 | 2 |
Fire resistance | 1 | 1 | 1 | 1 | 1 | 3 | 1 | 2 |
Rebound low temp. | 5 | 3 | 5 | 3 | 1 | 3 | 3 | 5 |
Rebound high temp. |
5 | 3 | 5 | 3 | 3 | 4 | 3 | 5 |
Fatigue | 4 | 4 | 4 | 4 | 3 | 4 | 2 | 1-2 |
Bonding to metal |
4-5 | 4-5 | 4-5 | 3 | 2 | 4 | 4 | 2 |
Bonding to textile |
4-5 | 4-5 | 4-5 | 3 | 2 | 4-5 | 3-4 | 2 |