0116 275 4720 sales@m-seals.co.uk

Chemicals – U

O-Ring Fluid Compatibility Guide – U’s

(for reference only)

1 = Recommended  2 = Probably Satisfactory  3 = Marginal  4 = Not Recommended

Chemical/Media
Perfluoro-
elastomer
Viton®
ETP
Aflas®
TFE/P
Viton®
FKM
EPDM
P.C.
Buna-N
NBR
Silicone
Fluoro-
silicone
UCON
HYDROLUBE J-4
1 2 1 3 1 2 1 2
UCON
OIL LB-385, 400X
1 2 1 3 1 1 1 1
UDMH
(Unsymmetrical Dimethyl Hydrazine)
2 4 3 4 1 2 4 4
UNIVIS
40 Hydraulic Fluid
1 1 1 1 4 1 4 1
UNIVOLT
NO.35 (Mineral Oil)
1 1 1 1 4 1 4 1
UPDI
(Ultra Pure Deionized Water)
1 2 2 1 2
Uranium
Hexafluoride
2
Urea 1
Uric
Acid
1