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Chemicals – M

O-Ring Fluid Compatibility Guide – M’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
m-Chloroaniline 1 3 2 3 2 4
m-Chlorobenzotrifluoride 1 1 1 4 4 4 2
Magnesium
Chloride
1 1 1 1 1 1 1 1
Magnesium
Hydroxide
1 2 1 2 1 2
Magnesium
Salts
1 1 1 1 1 1 1 1
Magnesium
Sulfate
1 1 1 1 1 1 1
Magnesium
Sulfite
1 1 1 1 1 1 1
MALATHION 1 1 1 4 2 4 2
Maleic
Acid
1 1 1 1 4 4
Maleic
Anhydride
1 1 1 1 4 4
Maleic
Hydrazide
1
Malic
Acid
1 1 1 1 4 1 2 1
Mandelic
Acid
1
Manganese
Acetate
1
Manganese
Carbonate
1
Manganese
Dioxide
1
Manganese
Gluconate
1
Manganese
Hypophosphite
1
Manganese
Linoleate
1
Manganous
Chloride
1
Manganous
Phosphate
1
Manganous
Sulfate, Aqueous
1
Mannitol 1
MEA
(Ethanolamine)
1 4 4 2 4 2 4
Mercaptobenzothiazole
(MBT)
1 1 1 1 1 3
Mercuric
Acetate
1
Mercuric
Chloride
1 1 1 1 1 1
Mercuric
Cyanide
1
Mercuric
Iodide
1
Mercuric
Nitrate
1
Mercuric
Sulfate
1
Mercurous
Nitrate, Hydrated
1
Mercury 1 1 1 1 1 1
Mercury
Fulminate
1
Mercury
Vapor
1 1 1 1 1 1
Mesityl
Oxide
1 4 4 4 2 4 4 4
Metaldehyde 1
Methacrylic
Acid
1 3 2 3 2 4 4 4
Methane 1 1 2 1 4 1 4 2
Methanethiol 1
Methoxychlor 1
Methyl
Abietate
1
Methyl
Acetate
1 4 4 4 2 4 4 4
Methyl
Acetoacetate
1 4 4 4 2 4 2 4
Methyl
Acrylate
1 4 4 4 2 4 4 4
Methyl
Alcohol (Methanol)
1 1 1 2 1 1 1 1
Methyl
Anthranilate
1
Methyl
Benzoate
1 2 2 1 4 4 4 1
Methyl
Bromide
1 1 2 1 4 2 1
Methyl
Butyl Ketone
1 4 4 4 1 4 4 4
Methyl
Carbonate
1 1 2 1 4 4 4 2
Methyl
CELLOSOLVE
1 4 1 4 2 3 4 4
Methyl
Cellulose
1 4 1 4 2 2 2 4
Methyl
Chloride
1 1 4 2 3 4 4 2
Methyl
Chloroacetate
1
Methyl
Chloroform
1 2 4 2 4 4 4 2
Methyl
Chloroformate
1 1 1 1 4 4 4 2
Methyl
Chlorosilane
1
Methyl
Cyclohexanone
1
Methyl
Ether
1 1 4 1 2 1 1 1
Methyl
Ethyl Ketone (MEK)
1 2 4 4 1 4 4 4
Methyl
Ethyl Ketone Peroxide
1 4 4 4 4 2 4
Methyl
Formate
1 4 4 4 2 4
Methyl
Hexyl Ketone
1
Methyl
Iodide
1
Methyl
Isobutyl Ketone (MIBK)
1 2 4 4 3 4 4 4
Methyl
Isocyanate
1
Methyl
Isopropyl Ketone
1 4 4 2 4 4 4
Methyl
Lactate
1
Methyl
Mercaptan
1 1
Methyl
Methacrylate
1 4 4 4 4 4 4 4
Methyl
n-Amylketone
1
Methyl
Oleate
1 1 1 2 4 2
Methyl
Phenylacetate
1
Methyl
Salicylate
1 2 4
Methyl
Tertiary Butyl Ether (MTBE)
1 2 2 4 3 3
Methylacetophonone 1
Methylal 1
Methylallyl
Chloride
1
Methylamine 1
Methylamyl
Acetate
1
Methylamyl
Alcohol
1
Methylbenzyl
Alcohol
1
Methylcyclopentane 1 2 2 1 4 4 4 2
Methylene
Bromide
1 1 1 4 2 1
Methylene
Chloride
1 2 2 4 4 4 2
Methylene
Iodide
1
Methylpentadiene 1
Methylpyrrolidine 1
Methylsulfuric
Acid
1
MIL-F-25558
(RJ-1)
1 1 1 1 4 1 4 1
MIL-F-25656
(JP-6)
1 1 1 4 1 4 2
MIL-F-81912
(JP-9)
1 1 1 4 3 4 2
MIL-F-82522
(RJ-4)
1 1 1 4 2 4 1
MIL-H-8446
(MLO-8515)
1 1 1 1 4 2 4 1
MIL-L-23699
LUBRICANTS
1 1 1 1 4 2 4 2
MIL-L-7808
LUBRICANTS
1 1 1 1 4 2 4 2
MIL-R-25576
(RP-1)
1 1 1 1 4 1 4 1
MIL-S-3136
Type I Fuel
1 1 1 4 1 4 1
MIL-S-3136
Type II Fuel
1 1 1 4 2 4 2
MIL-S-3136
Type III Fuel
1 1 1 4 2 4 2
MIL-S-3136
Type IV Oil, High Swell
1 1 1 4 1 2 1
MIL-S-3136
Type IV Oil, Low Swell
1 1 1 4 1 3 1
MIL-S-3136
Type V Oil, Medium Swell
1 1 1 4 1 2 1
MIL-T-5624
(JP-3, JP-4, JP-5)
1 1 2 1 4 1 4 2
MIL-T-83133
(JP-8)
1 1 2 1 4 1 4 2
Milk 1 1 1 1 1 1 1 1
Mineral
Oil
1 1 1 1 3 1 2 1
Mixed
Acid Etchants
1 2 3 3 4 4 4 4
MLO-7277,
7557
1 1 1 1 4 3 4 3
MLO-8200,
8515 (MIL-H-8446)
1 1 1 1 4 2 4 1
MOBIL
DELVAC 1100,1110,1120,1130
1 1 1 1 4 1
MOBIL
HF
1 1 2 1 4 1
MOBIL
NIVAC 20,30
1 1 1 1 1 1
MOBIL
THERM 600
1 1 1 1 4 1
MOBILJET
II Lubricant
1
Molybdenum
Disulfide Grease
1 1 1 1 4 1
Monomethyl
Hydrazine
2 4 2 4 1 2 4
Monomethylaniline 1 2 2 2 4 4
Monovinyl
Acetylene
1 1 3 1 1 1 2
MOPAR
BRAKE FLUID
1 4 1 4 1 3 3 4
Myristic
Acid
1