E. P. D. M.   ( E T H Y L E N E   P R O P Y L E N E)
Temperature range -40
+ 120C with excellent resistance to water, steam, ozone ageing and many chemicals. Not suitable for contact with petroleum liquids. These are general properties, which will vary between grades.

Ref
Specification
Hardness
IRHD
SG
Tensile
Strength (MPa)
Elongation
at Break %
Colour
E80/ECON
Economy Grade EPDM
70
1.40
3.5
250
Black
E80
Commercial Grade EPDM
65
1.40
5
300
Black
E9614
High Grade
70
1.22
9
200
Black
E77
EPDM Peroxide Cured
60
1.17
8
250
Black
E78
WRC Approved 0602514
70
1.18
11
250
Black
E81
EPDM Food Grade
60
1.4
6
500
White
E83
EPDM Soft Commercial
50
1.09
10
400
Black
E84
EPDM M228
80
1.2
10
225
Black
E85
EPDM Intermediate
40
1.35
5
400
Black
E86
EPDM ASTM D2000 M1AA407
40
1.07
9
500
Black
E4580
EPDM Soft High Grade
50
1.05
8
500
Black
E9566
EPDM High Grade Sulphur Cured
70
1.3
7
250
Black

B U T Y L   ( I S O B U T Y L E N E - I S O P R E N E )
Temperature range -45
+ 130C. Very good weathering resistance. Low gas and moisture permeability. Poor resistance to petroleum based oils and fluids.

Ref
Specification
Hardness
IRHD
SG
Tensile
Strength (MPa)
Elongation
at Break %
Colour
B70
Commercial
60
1.23
8
350
Black
B1473
High Grade
60
1.11
13
600
Black

H y p a l o n
( C H L O R O S U L P H O N A T E D   P O L Y E T H Y L E N E )
Temperature range -35 + 140C. Excellent resistance to ozone, weather, acids, heat and abrasion. Fair resistance to petroleum based fluids.

Ref
Specification
Hardness
IRHD
SG
Tensile
Strength (MPa)
Elongation
at Break %
Colour
H60
Commercial
60
1.3
10
350
Black
Care should be taken in selecting the most suitable quality for each application.
Advice is available but final responsibility remains with the customer.
Rev 02/2010

 

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