147
New Brunswick Scientific
User’s Guide
2
2
5
5
A
A
P
P
P
P
E
E
N
N
D
D
I
I
X
X
E
E
:
:
G
G
E
E
N
N
E
E
R
R
A
A
L
L
C
C
H
H
A
A
R
R
A
A
C
C
T
T
E
E
R
R
I
I
S
S
T
T
I
I
C
C
S
S
O
O
F
F
E
E
P
P
R
R
25.1 Identifying
EPR
Common Names
EPR, EPT, EPDM
Trade Names
Resist-O (NordleR) - Compound No. AX-60660
ASTM D-2000Classification
CA
Military (MIL STD 417)
RS
Chemical Definition
Ethylene Propylene
25.2 General
Characteristics
Durometer Range (Shore A)
30-90 (NBS uses 80 for most O-rings)
Tensile Range (P.S.I.)
500-2500
Elongation (Max. %)
600
Compression Set
Good
Resilience - Rebound
Good
Abrasion Resistance
Good
Tear Resistance
Fair
Solvent resistance
Poor
Oil resistance
Poor
Low Temperature Usage
-20 to -60
°
F (-29 to -51
°
C)
High Temperature Usage
to 350
°
F (177
°
C)
Aging Weather - Sunlight
Excellent
Adhesion to Metals
Fair to Good
Ethylene Propylene is a polymer with outstanding properties. It has exceptionally good
weather aging and ozone resistance; excellent water and chemical resistance; excellent
resistance to gas permeability, and excellent temperature usage range up to 350
°
F
(177
°
C). Ethylene Propylene is a polymer where oil and solvent resistance is poor,
however, it is fairly good in ketones and alcohols. It is not recommended for exposure
to aromatic hydrocarbons.
Summary of Contents for BioFlo 415
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