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
Tabel 92.1 – Properties of different rubber types