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Chemicals – I

O-Ring Fluid Compatibility Guide – I’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
Indole 1
INDUSTRON 1 1 1 1 4 1 4 1
Iodic
Acid
1
Iodine 1 1 1 1 2 2 1
Iodine
pentafluoride
2 4 4 4 4 4 4 4
Iodoform 1
Isoamyl
Acetate
1
Isoamyl
Butyrate
1
Isoamyl
Valerate
1
Isobutane 1
Isobutene 1
Isobutyl
Acetate
1
Isobutyl
Acrylate
1
Isobutyl
Alcohol
1 1 1 1 1 2 1 2
Isobutyl
Chloride
1 1 4 1 4 4
Isobutyl
Ether
1 4 4 4 4 2
Isobutyl
n-Butyrate
1 1 1 1 1 4 1
Isobutyraldehyde 2 4 4 4 2 3
Isobutyric
Acid
1 4 3 4 2 2
Isodecanol 1
Isododecane 1 1 1 1 4 1 4 1
Isoeugenol 1
Isooctane 1 1 1 4 1 4 1
Isopentane 1
Isophorone 1 4 2 4 1 4 4 4
Isopropyl
Acetate
1 4 4 4 2 4 4 4
Isopropyl
Alcohol (IPA)
1 1 1 1 1 2 1 2
Isopropyl
Chloride
1 1 4 1 4 4 4 2
Isopropyl
Ether
1 4 4 4 4 2 4 3
Isopropylamine 1
Isovaleric
Acid
1