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

Compound
Letter & Code
Material NameRelevant
Specifications
Service
Temperature in °F
Service
Temperature in °C
Tensile PSIElongation %Abrasion
Resistance
Compression Set
S
2701
SiliconeA-A-59588, Class 2,
GR60 or GR70
-80° to +425°-62° to +219°500-1800100-800RecommendedRecommended
L
2615
FluoroSiliconeMIL-DTL-25988C, Type 1,
Class 1, GR60 or GR70
-85° to +392°-65° to +200°600-1400100-700FairRecommended
V
5701
Viton® A †ASTM D2000
75 Durometer
-13° to +482°-25° to +250°2000-2200300-400SufficientFair
N
4601
Buna N
(Nitrile)
ASTM D2000
70 Durometer
-167° to +248°-55° to +120°1500-3000400-600RecommendedFair
E
3601
NeopreneASTM D2000
70 Durometer
-61° to +257°-52° to +125°1500-4000100-700FairSufficient
F
7601
EPDM
(Ethylene Propylene)
ASTM D2000
70 Durometer
-76° to +302°-60° to +150°1400-1600500-600FairRecommended

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

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