28
Compatibility of sealing material with selected fluids
Substance
VITON
EPDM
NBR
Resistant
materials
Acetone
non resistant
resistant
non resistant
Ammonia
non resistant
non resistant
non resistant
PEEK,
PTFE
Chloroform
resistant
non resistant
non resistant
Cyclohexane
resistant
non resistant
resistant
Cyclohexanol
resistant
non resistant
resistant
Dimethyl
formamide
(DMF)
non resistant
resistant
non resistant
PEEK
Acetic acid
non resistant
non resistant
non resistant
PTFE
Ethanol
non resistant
resistant
resistant
Heptane
resistant
non resistant
resistant
Hexane
resistant
non resistant
resistant
Isopropanol
resistant
resistant
partially
resistant
Methylene
chloride
partially
resistant
non resistant
non resistant
PEEK,
PTFE
Nitromethane
non resistant
partially
resistant
non resistant
PTFE
Pentane
resistant
non resistant
resistant
Mercury
resistant
resistant
resistant
Silicon oil
resistant
resistant
resistant
Toluene
non resistant
non resistant
non resistant
PEEK,
PTFE
Water
no
information
no information
no
information
PEEK,
PTFE
Xylene
resistant
non resistant
non resistant
Table 2 – Chemical compatibility of sealing materials