NK = Natural rubber
SBR = Styrene-butadiene rubber
NBR = Nitrile-butadiene rubber
EPDM = Ethylene propylene rubber
PU = Polyurethane
CR = Chloroprene rubber
CSM = Chlorosulfonated polyethylene
FPM = Chlorotrifluoroethylenevinylidene fluoride
Si = Silicone
General properties of rubbers
Feature | NK | SBR | NBR | EPDM | CR | CSM | FPM | Si |
Hardness in the range Shore A | 60-100 | 55-90 | 25-95 | 35-90 | 65-80 | 60-90 | 60-80 | 20-90 |
Temperature resistant up to °C | 80 | 80 | 100 | 120 | 130 | 130 | 250 | 200 |
Gasoline | 5 | 5 | 1 | - | 4 | 4 | 1 | 4 |
Ester- / Ketones | 5 | 4 | 5 | 2 | 4 | - | - | 2 |
Alkali | 4 | 3 | 4 | 3 | 3 | 2 | 2 | 4 |
Oil | 5 | 5 | 1 | - | 3 | 3 | 1 | 4 |
Ozone | 5 | 4 | 4 | 1 | 2 | 1 | 1 | 1 |
Acids | 4 | 3 | 4 | 3 | 3 | 2 | 2 | 4 |
Abrasion | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 |