Chemical resistance (External)
Basic Elastomer
Aging (Air + UV rays)
Ozone
Fire
EPDM
4
4
1
EPDM + SBR
3
3
1
EPDM + CR
4
4
1
CR
3
3
4
NBR
3
4
4
EVM
4
4
4
NR + SBR
2
1
1
Chemical resistance (Elements)
Basic Elastomer
Alkali
AD Blue
Chlorine
EPDM
4
4
3 to 4
EPDM + SBR
3 to 4
3 to 4
1
EPDM + CR
4
4
2 to 3
CR
3
3
1 to 2
NBR
3
3 to 4
1
EVM
3 to 4
2
NR + SBR
3 to 4
4
1
Chemical resistance (Oils)
Basic Elastomer
Animal and vegetable oils
Mineral oils
Hydrocarbons
EPDM
2 to 3
1
1
EPDM + SBR
1
1
1
EPDM + CR
2 to 3
1
1
CR
3
3
3
NBR
4
4
4
EVM
2 to 3
3
2
NR + SBR
1
1
1
Chemical resistance (Solvents)
Basic Elastomer
Aliphatic Solvents
Aromatic Solvents
Chlorinated Solvents
Ketone Solvents
EPDM
1 to 2
1
1
3 to 4
EPDM + SBR
1 to 2
1
1
1 to 2
EPDM + CR
1 to 2
1
1
3 to 4
CR
3 to 4
1
1
1 to 2
NBR
3 to 4
1
1
1
EVM
2
1
1
NR + SBR
1 to 2
1
1
1 to 2
Chemical resistance (Acids)
Basic Elastomer
Diluted Acids
Diluted sulphuric acid
Concentrated sulphuric acid
EPDM
3 to 4
3
3
EPDM + SBR
2 to 3
2
1
EPDM + CR
3 to 4
3
2 to 3
CR
3 to 4
3
1
NBR
1 to 2
1
1
EVM
3 to 4
3
2
NR + SBR
2 to 3
1
1
Legend