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Specialists in Molding and Extrusion of Rubber and Elastomers
Corry Rubber Corporation is ISO-9002 and QS-9000 Certified Elastomeric Isolation Mounts

May 11, 2008
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 Elastomer Selection Guide

The comparative properties listed in this selection guide are intended to help designers and users of rubber products to make preliminary choices of material. Final selections should be based on tests using samples of the elastomers chosen. The tests should simulate the actual service conditions expected, and samples should be properly compounded to optimize the particular properties desired.

Common Name
Base Polymer		 Chemical Name Lacquer Solvents Resistance
to:
Swelling in Lubricating Oil		 Resistance
to:
Oil and Gasoline		 Resistance
to:
Animal Oils		 Resistance
to:
Water Absorption		 Resistance
to:
Oxidation		 Resistance
to:
Ozone		 Resistance
to:
Sunlight Aging		 Resistance
to:
Heat Aging		 Resistance
to:
Low Temperature		 Resistance
to:
Flame		 Resistance
to:
Vegetable Oils		 Resistance
to:
Chlorinated Hydrocarbons
Natural Rubber Polyisoprene P P P P VG G P P F VG P P P
SBR or GR-S or Buna S Styrene
Butadiene		 P P P P VG F P P G VG P P P
Butyl Isobutylene
Isoprene		 F-G P P F VG E E VG VG G P F P
Butadiene Polybutadiene P P P P VG G P P F VG P P P
EPDM or EP Rubber Ethylene Propylene F-G P P F E E O O E E P F P
Neoprene Chloroprene P G G F G VG VG VG G G G G P
CPE Chlorinated Polyethylene F G G F VG E E O VG G G F P
Nitrile or NBR or Buna N Acrylonitrile
Butadiene		 F VG E E G G F P G F-G P E F
Urethane Polyester/
Ether
Urethane		 P G G F VG VG E VG G F-E F F F-G
Hypalon Chlorosulfonated
Polyethylene		 P G G F G VG O O VG G G P P-F
Epichlorohydrin Rubber Polyalkylene
Oxide		 F E E E G G E G VG G-VG P-F E G-E
Acrylic Polyacrylate P E F E G E E G E P P G P
Silicone Polysiloxane P F F F E E E E O O F G P-G
Fluorosilicone Fluoroalkyl
Polysiloxane		 P E E E E E E E O O E E G-E
Fluorocarbon Fluorinated
Hydrocarbon		 P-F E E E VG O O O O F-G E E G-E
O=Outstanding, E=Excellent, VG=Very Good, F=Fair, P=Poor


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