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Fluid Compatibility by Elastomer
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Legend: Recommended
Moderate to severe effect

Minor to moderate effect
Not recommended
Common Fluids Nitrile Fluoro-
carbon
EPDM Silicone Neoprene Poly-
acrylate
Fluoro-
silicone
HNBR Aflas Butyl Examples
Acids, dilute Hydrochloric
acid
Alcohols Methanol,
ethanol
Alkalis, dilute Sodium
hydroxide
Brake Fluid,
non-petroleum
Wagner 21B,
Dextron
Fuel oil Diesel oils
1-6
Hydraulic oil,
phosphate-ester
Skydrol 500,
Hyjet
Hydrocarbons,
aliphatic
Gasoline,
kerosene
Hydrocarbons,
aromatic
Benzene,
toluene
Ketones Acetone,
MEK
Mineral oil
Solvents,
chlorinated
Trichloro-
ethylene
Steam,
to 300 degrees F
Water
ASTM D1418
Designation
NBR FKM EPDM VMR CR ACM FVMR HNBR FEPM IIR  
Legend: Recommended
Moderate to severe effect
Minor to moderate effect
Not recommended


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Copyright 1997-2003  Marco Rubber & Plastic Products, Inc.
334 Clark Street  *  North Andover, MA 01845  USA
1-800-775-6525  Fax: 978-688-6915
e-mail Marco Rubber