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Seals Eastern 7267 Ethylene-Propylene Rubber

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer Seals Eastern, Inc
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Seals Eastern 7267 Ethylene-Propylene Rubber.pdf
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Material Notes:
EPDM for high temperature steam service. Also available as a Y267-Type (7267L).Information provided by Seals Eastern, Inc.
Physical Properties Metric English Comments
Specific Gravity 1.07 g/cc
1.07 g/cc
ASTM D297, 15
Mechanical Properties Metric English Comments
Hardness, Shore A >= 70
>= 70
ASTM D2240, Type A
77
77
AVG; ASTM D2240, Type A
77

@Temperature 125 °C,
Time 252000 sec
 77

@Temperature 257 °F,
Time 70.0 hour
 After Dry Heat Aging; ASTM D865
Tensile Strength at Break >= 11.0 MPa
>= 1600 psi
ASTM D412 Method A
16.13 MPa
2339 psi
AVG; ASTM D412 Method A
15.97 MPa

@Temperature 125 °C,
Time 252000 sec
 2316 psi

@Temperature 257 °F,
Time 70.0 hour
 ASTM D412 Method A
Tensile Strength, Yield >= 1.31 MPa
>= 190 psi
Stress at Elongation M50; ASTM D412 Method A
>= 1.52 MPa
>= 220 psi
Stress at Elongation M100; ASTM D412 Method A
2.20 MPa
319 psi
AVG Stress at Elongation M25; ASTM D412 Method A
3.45 MPa
500 psi
AVG Stress at Elongation M50; ASTM D412 Method A
8.96 MPa
1300 psi
AVG Stress at Elongation M100; ASTM D412 Method A
Elongation at Break >= 100 %
>= 100 %
ASTM D412 Method A
153 %
153 %
AVG; ASTM D412 Method A
186.7 %

@Temperature 125 °C,
Time 252000 sec
 186.7 %

@Temperature 257 °F,
Time 70.0 hour
 ASTM D865
Modulus of Elasticity 0.01649 GPa
2.392 ksi
ASTM D412 Method A
Shear Modulus 0.00550 GPa
0.797 ksi
ASTM D412 Method A
Secant Modulus 0.01551 GPa
2.249 ksi
ASTM D412 Method A
Compression Set 12 %

@Temperature 125 °C,
Time 252000 sec
 12 %

@Temperature 257 °F,
Time 70.0 hour
 ASTM D395, Test B
Thermal Properties Metric English Comments
Glass Transition Temp, Tg -51.1 °C
-60.0 °F
ASTM D1329
Processing Properties Metric English Comments
Shelf Life 120 Month
120 Month
ASTM D395, Test B
Descriptive Properties Value Comments
Strain Energy / Unit Volume at 20% Elongation (psi) 30
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