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Chemicals – N

O-Ring Fluid Compatibility Guide – N’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
N,N-Diethylaniline 1
n-Butyl
Acetate
1 3 4 4 2 4 4 4
n-Butyl
Acrylate
1 4 4 4 4 4 4
n-Butyl
Alcohol
1 1 1 1 2 1 2 1
n-Butyl
Butyrate
1 1 1 1 4 1
n-Butyl
Chloride
1
n-Butyl
Methracrylate
1
n-Decane 1 1 1 1 4 1 2 1
n-Dibutylamine 1 4 2 4 4 4 3 4
n-Dodecyl
Mercaptan
1
n-Heptane 1 1 3 1 4 1 4 3
n-Hexadecane
(Cetane)
1 1 1 1 4 1 4 3
n-Hexaldehyde 1 4 4 1 4 2 4
n-Hexane 1 1 2 1 4 1 4 1
n-Methyl
2-Pyrrolidone (NMP)
1 1 2 2 2 2
n-Octadecane 1 1 1 1 4 1 4 1
n-Octane 1 1 1 4 2 4 2
n-Octyl
Acetate
1
n-Octyl
Alcohol
1 1 1 1 1 2 2 2
n-Octyl
Chloride
1
n-Pentane 1 1 4 1 4 3
n-Propyl
Acetate
1 4 4 4 2 4 4 4
n-Propyl
Acetone
1 4 4 4 1 4 4 4
n-Propyl
Nitrate
1 1 1 2 4 4 4
n-Propyl
Propionate
1 4 4 2 4 4 4
n-Propylamine 2
n-Propylbenzene 1
n-Valeraldehyde 1
Naphtha 1 1 2 1 4 2 4 2
Naphthalene 1 1 3 1 4 4 4 1
Naphthalenesulfonic
Acid
1
Naphthenic
Acid
1 1 1 1 4 2 4 1
Naphthylamine 1
Natural
Gas
1 1 1 1 4 1 2 3
Neatsfoot
Oil
1 1 1 1 2 1 2 1
Neon 1 1 1 1 1 1 1 1
Neville-Winter
Acid
1 1 1 1 2 4 4 2
Niacinamide 1
Nickel
Acetate
1 4 4 4 1 2 4 4
Nickel
Ammonium Sulfate
1 1 1 1 1 1
Nickel
Chloride
1 1 1 1 1 1 1 1
Nickel
Cyanide
1
Nickel
Nitrate
1
Nickel
Sulfate
1 1 1 1 1 1 1 1
Nicotine 1
Nitric
Acid (0-50%)
1 1 2 1 3 4 2 2
Nitric
Acid (70%)
1 2 3 2 4 4 4 4
Nitric
Acid, Red Fuming
1 2 3 2 4 4 4 4
Nitrobenzene 1 2 1 2 4 4 4 4
Nitrocellulose 1
Nitroethane 1 4 4 2 4 4 4
Nitrogen 1 1 1 1 1 1 1
Nitrogen
Dioxide
1 4
Nitrogen
Oxides
1
Nitrogen
Tetroxide
2 4 3 4 4 4 4 4
Nitrogen
Trifluoride
1
Nitroglycerin 1
Nitromethane 1 4 3 4 2 4 4 4
Nitrosyl
Chloride
1
Nitrosylsulphuric
Acid
1
Nitrous
Acid
1
Nitrous
Oxide
1 1 1 1 1 1
NMP
(n-Methyl 2-Pyrrolidone)
1 1 2 2 2 2
Nonane 1