No. Application\Elastomer NR SBR CR NBR NBR/PVC CM CSM Hypalon EPDM
1 Weather and ozone 2 2 4 2 4 4 5 5
2 Hot air 2 3 4 4 4 4 4 4
3 Low temperature 3 3 3 2 2 4 4 4
4 Fuel 1 1 3 5 5 4 3 1
5 Mineral oil and greases 1 1 3 5 5 4 3 1
6 Alcohol 3 3 1 1 1 3 3 4
7 Acids 3 3 3 3 3 3 3 3
8 Alkalis 3 3 3 3 3 3 3 3
9 L.P.G. 1 1 4 5 5 5 5 1
10 Flame resistance 2 2 4 3 3 4 4 2

1 – Low resistance
5 – High resistance