O-Ring Fluid Compatibility Guide

O-Ring Selection Guide

Fluids/chemicals with their compatibility ratings for use with the most common O-Ring materials

O-ring sealing sets made of VITON®, EPDM, KALREZ®, CHEMRAZ® or PERLAST® for the bead mills DISPERMAT® SL and SL-Nano

The DISPERMAT SL are supplied with VITON (FKM – rubber) O-rings as standard. Alternatively EPDM (ethylene propylene) O-rings can be fitted at no extra charge.

If VITON or EPDM is not compatible with the products being milled, O-rings made from one of the following perfluoroelastomeres are recommended: KALREZ®, CHEMRAZ®, PERLAST®

The following compatibility guide should help you to find the right solution.

Solvent
KALREZ®
CHEMRAZ®
PERLAST®
VITON®
(FKM – rubber)
EPDM
(ethylene propylene)
acetaldehyde
2
4
2
acetone
1
4
1
amyl acetate
1
4
2
amyl alcohol
1
2
2
butadiene
1
2
4
butanol
1
4
4
butyl acetate
1
4
2
butanediols
1
1
1
butyl cellusolve
1
4
2
cyclohexanol
1
2
4
cyclohexanone
2
4
3
diethyl ether (ethyl ether)
1
4
4
diethylamine
1
4
4
diethylene glycol
1
1
1
dibutyl ether
1
4
3
dibutyl phthalate
1
3
2
dioctyl phthalate
1
2
3
acetic acid ethylester (ethyl acetate)
1
4
3
ethanolamine
1
4
1
ethyl acrylate
1
4
3
ethyl alcohol (ethanol)
1
3
1
ethyl benzene
1
2
4
ethyl cellulose
1
4
2
ethylenediamine
2
4
1
ethylene glycol
1
1
1
isobutyl alcohol
1
1
1
isobutyl ether
1
4
4
water
1
2
1
isopropanol (isopropyl alcohol)
1
1
1
isopropyl acetate
1
4
2
isopropyl ether
1
4
4
linseed oil
1
1
3
methyl metacrylate
1
4
4
metoxy butanol
1
1
1
methyl butyl ketone
1
4
1
methyl ethyl ketone
1
4
2
methyl cellusolve
1
4
2
methyl glycol acetate
1
4
1
methyl isobutyl ketone
1
4
3
methyl tertiary butyl ether
1
3
3
palmitic acid
1
1
4
petroleum ether
1
1
4
phthalic acid anhydride (phthalic anhydride)
1
1
3
propanol (propyl alcohol)
1
2
2
propyl acetate
1
4
2
propylene glycol
1
1
1
silicone oils
1
1
1
stearic acid
1
3
2
styrene
1
2
4
carbon tetrachloride
2
1
4
tetrachloro ethylene
1
2
4
tetrahydro furane
1
4
4
trichloro ethylene
2
2
4
toluene
1
2
4
triethanolamin
2
4
2
xylene
1
2
4
Legend:
  • 1 recommended
  • 2 probably satisfactory
  • 3 marginal
  • 4 unsatisfactory, not recommended
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