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[Material] [Properties Comparison] [Service Temperature]

 

Properties Comparison of O-Ring Elastomers

A Excellent
B Good
C Not Good
D Bad
F Fair
 
ASTM D1418 DesignationNRSBRIIREPDMCRNBRAU
EU
CSMACMECOE/AVMQFKM
ASTM D2000 / SAE J200
Type Class
AAAA
BA
AA
BA
AA
BA
CA
BC
BE
BF
BG
BK
CH
BGCEDFCHEEFC
FE
GE
HK
Specific
Gravity
0.920.940.920.861.231.00

1.02
|
1.25

1.00
|
1.20

1.09

1.27
|
1.36

1.040.981.85

Tensile
Strength

A B CCBBABD C CDB
ElongationABB B BBA BD DBAD
Hardness
(Low)
30403030303070404040503055
Hardness
(High)
90907090909090808070808590
ResilienceACDBABACCCBCC
TearingACCCBBACDCBDC
AbrasionAA A BBAABCCBDC
ImpactAA BBABABDBCDC
Gas
Permeability
CCACBBB BCACDB
OxidationCCABBCBABBAAA
OzoneDDBA BDBABAAAA
WeatherCCAABCBBBBAAA
SunlightDCAABDBABBAAA
HeatDCBABCCBBBBAA
FlameDDDDBDCBDBDBB
Flex CrackCCBABCBBCBBBB
Low Temp.BCCBC CBCDBCAB
Petroleum Oil
Fuel
Gasoline
DDDDFBBFBBBCA
Animal
Vegetable
Oils
CCBBBABBA AB FA
AlcoholsBBBFABFABBCBB
AlkalisCCABABDADFBDF
AcidsFFBBBBDBCCCCB
Aliphatic HydrocarbonsDDDDBABBABBDA
Aromatic HydrocarbonsDDDDCFDCCBDDA
WaterABAABBCBDBABB
 

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[Material] [Properties Comparison] [Service Temperature]
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