Standard Elastomer Options and Typical Properties for APM Hexseal® O-Rings

Compound
Letter & Code
Material Name Relevant
Specifications
Service
Temperature in °F
Service
Temperature in °C
Tensile PSI Elongation % Abrasion
Resistance
Compression Set
S
2701
Silicone A-A-59588, Class 2,
GR60 or GR70
-80° to +425° -62° to +219° 500-1800 100-800 Recommended Recommended
L
2615
FluoroSilicone MIL-DTL-25988C, Type 1,
Class 1, GR60 or GR70
-85° to +392° -65° to +200° 600-1400 100-700 Fair Recommended
V
5701
Viton® A † ASTM D2000
75 Durometer
-13° to +482° -25° to +250° 2000-2200 300-400 Sufficient Fair
N
4601
Buna N
(Nitrile)
ASTM D2000
70 Durometer
-167° to +248° -55° to +120° 1500-3000 400-600 Recommended Fair
E
3601
Neoprene ASTM D2000
70 Durometer
-61° to +257° -52° to +125° 1500-4000 100-700 Fair Sufficient
F
7601
EPDM
(Ethylene Propylene)
ASTM D2000
70 Durometer
-76° to +302° -60° to +150° 1400-1600 500-600 Fair Recommended

† Viton® is a registered trademark of DuPont Performance Elastomers.

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