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Elmet Technologies

Pressure Seal 23858 Ethylene Propylene
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes: Compound 23858 is an 80 durometer black colored EPDM elastomer, it is formulated with Teflon to provide internal lubrication. It exhibits good resistance to heat, compression set and water. It will remain nonbrittle at low temperatures. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 AA 815 A13 F17 EA14; 2 BA 815 F17; 4 BA 815 A14 F17; 7 CA 815 A25 B35 F17 F18 G11 G21 EA14; 8 CA 815 A25 B35 F17 G11 G21 EA14; 2 DA 815 B36 F19 G11 G21 EA14; 3 DA 815 F19 G11 G21 EA14

Information provided by Pressure Seals Inc.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.20 g/cc1.20 g/cc
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 8383
 85
@Temperature 100 °C,
Time 252000 sec		85
@Temperature 212 °F,
Time 70.0 hour		Distilled water aged
 87
@Temperature 70.0 °C,
Time 252000 sec		87
@Temperature 158 °F,
Time 70.0 hour		Heat Aged
 88
@Temperature 100 °C,
Time 252000 sec		88
@Temperature 212 °F,
Time 70.0 hour		Heat Aged
 89
@Temperature 125 °C,
Time 252000 sec		89
@Temperature 257 °F,
Time 70.0 hour		Heat Aged
 89
@Temperature 125 °C,
Time 252000 sec		89
@Temperature 257 °F,
Time 70.0 hour		Heat Aged, Test Tube Method
 91
@Temperature 150 °C,
Time 252000 sec		91
@Temperature 302 °F,
Time 70.0 hour		Heat Aged, Test Tube Method
 91
@Temperature 150 °C,
Time 252000 sec		91
@Temperature 302 °F,
Time 70.0 hour		Heat Aged
Tensile Strength 13.18 MPa1911 psi
 11.54 MPa
@Temperature 150 °C,
Time 252000 sec		1674 psi
@Temperature 302 °F,
Time 70.0 hour		Heat Aged
 11.54 MPa
@Temperature 150 °C,
Time 252000 sec		1674 psi
@Temperature 302 °F,
Time 70.0 hour		Heat Aged, Test Tube Method
 12.965 MPa
@Temperature 100 °C,
Time 252000 sec		1880.4 psi
@Temperature 212 °F,
Time 70.0 hour		Heat Aged
 14.902 MPa
@Temperature 70.0 °C,
Time 252000 sec		2161.3 psi
@Temperature 158 °F,
Time 70.0 hour		Heat Aged
 50.068 MPa
@Temperature 125 °C,
Time 252000 sec		7261.8 psi
@Temperature 257 °F,
Time 70.0 hour		Heat Aged
 50.068 MPa
@Temperature 125 °C,
Time 252000 sec		7261.8 psi
@Temperature 257 °F,
Time 70.0 hour		Heat Aged, Test Tube Method
Elongation, Ultimate 213 %213 %
 162.9 %
@Temperature 150 °C,
Time 252000 sec		162.9 %
@Temperature 302 °F,
Time 70.0 hour		Heat Aged
 162.9 %
@Temperature 150 °C,
Time 252000 sec		162.9 %
@Temperature 302 °F,
Time 70.0 hour		Heat Aged, Test Tube Method
 188 %
@Temperature 100 °C,
Time 252000 sec		188 %
@Temperature 212 °F,
Time 70.0 hour		Heat Aged
 213 %
@Temperature 125 °C,
Time 252000 sec		213 %
@Temperature 257 °F,
Time 70.0 hour		Heat Aged
 213 %
@Temperature 70.0 °C,
Time 252000 sec		213 %
@Temperature 158 °F,
Time 70.0 hour		Heat Aged
 213 %
@Temperature 125 °C,
Time 252000 sec		213 %
@Temperature 257 °F,
Time 70.0 hour		Heat Aged, Test Tube Method
100% Modulus 5.71 MPa828 psi
Tear Strength 31.7 kN/m181 pliDie B
Compression Set  14.8 %
@Temperature 70.0 °C,
Time 79200 sec		14.8 %
@Temperature 158 °F,
Time 22.0 hour		Solid
 18 %
@Temperature 100 °C,
Time 79200 sec		18 %
@Temperature 212 °F,
Time 22.0 hour		Plied
 23.5 %
@Temperature 70.0 °C,
Time 79200 sec		23.5 %
@Temperature 158 °F,
Time 22.0 hour		Plied
 26.6 %
@Temperature 125 °C,
Time 79200 sec		26.6 %
@Temperature 257 °F,
Time 22.0 hour		Plied
 28.1 %
@Temperature 100 °C,
Time 252000 sec		28.1 %
@Temperature 212 °F,
Time 70.0 hour		Plied
 35.3 %
@Temperature 150 °C,
Time 79200 sec		35.3 %
@Temperature 302 °F,
Time 22.0 hour		Plied
 
Thermal PropertiesMetricEnglishComments
Brittleness Temperature -67.8 °C-90.0 °F
Shrinkage -0.700 %
@Temperature 100 °C,
Time 252000 sec		-0.700 %
@Temperature 212 °F,
Time 70.0 hour		Volume, Distilled water aged
 
Descriptive Properties
ColorBlack

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PPRESL236 / 318446

Ensinger PEI




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