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Master Bond adhesives

Pressure Seal 23747 Ethylene Propylene
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes: Compound 23747 is a 70 durometer black colored EPDM elastomer, it is specifically formulated to have a minimal volume change in automotive brake fluids. It is suitable for use with both Silicone based and phosphate ester based brake fluids. It exhibits excellent resistance to heat and compression set. This compound is also RGD (Rapid Gas Decompression) resistant. This compound is plasticizer free. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 AA 712 A13 C12 F17 EA14; 3 AA 712 B13 B33 F17 EA14 G21; 8 BA 712 B13 C12; 2 BA 710 C12 F17; 4 CA 720 A25 B35 C32 EA14 F17 F18 F19 G11 G21; 5 CA 720 A25 B35 C32 EA14 F17 F18 G11 G21; 3 CA 710 A25 B44 B35 C32 EA14 F17 F18 G11 G21; 2 DA 720 A26 B36 C32 EA14 F19 G11 G21; 3 DA 720 A26 B36 C32 EA14 F19 G11 G21; M 3 DA 714 A26 B36 C32 EA14 F19 G11 G21; M 2 DA 710 A26 B36 C32 EA14 F19 G21

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 1.12 g/cc1.12 g/cc
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 7575
 74
@Treatment Temp. 248 °C,
Time 1.08e+6 sec		74
@Treatment Temp. 478 °F,
Time 300 hour		DOT #3 Brake Fluid
 74
@Treatment Temp. 120 °C,
Time 252000 sec		74
@Treatment Temp. 248 °F,
Time 70.0 hour		DOT #3 Brake Fluid
 75
@Treatment Temp. 120 °C,
Time 252000 sec		75
@Treatment Temp. 248 °F,
Time 70.0 hour		DOT #4 Brake Fluid
 75
@Treatment Temp. 248 °C,
Time 1.08e+6 sec		75
@Treatment Temp. 478 °F,
Time 300 hour		DOT #4 Brake Fluid
 75
@Treatment Temp. 100 °C,
Time 252000 sec		75
@Treatment Temp. 212 °F,
Time 70.0 hour		Distilled water aged
 75
@Treatment Temp. 70.0 °C,
Time 252000 sec		75
@Treatment Temp. 158 °F,
Time 70.0 hour		Heat Aged
 75
@Treatment Temp. 120 °C,
Time 252000 sec		75
@Treatment Temp. 248 °F,
Time 70.0 hour		DOT #5 Brake Fluid
 75
@Treatment Temp. 120 °C,
Time 252000 sec		75
@Treatment Temp. 248 °F,
Time 70.0 hour		SAE Compatibility Fluid
 75
@Treatment Temp. 248 °C,
Time 1.08e+6 sec		75
@Treatment Temp. 478 °F,
Time 300 hour		SAE Compatibility Fluid
 79
@Treatment Temp. 100 °C,
Time 252000 sec		79
@Treatment Temp. 212 °F,
Time 70.0 hour		Heat Aged
 80
@Treatment Temp. 125 °C,
Time 252000 sec		80
@Treatment Temp. 257 °F,
Time 70.0 hour		Heat Aged
 80
@Treatment Temp. 125 °C,
Time 252000 sec		80
@Treatment Temp. 257 °F,
Time 70.0 hour		Heat Aged, Test Tube Method
 82
@Treatment Temp. 150 °C,
Time 252000 sec		82
@Treatment Temp. 302 °F,
Time 70.0 hour		Heat Aged
 82
@Treatment Temp. 150 °C,
Time 252000 sec		82
@Treatment Temp. 302 °F,
Time 70.0 hour		Heat Aged, Test Tube Method
Tensile Strength 19.78 MPa2869 psi
 17.249 MPa
@Treatment Temp. 120 °C,
Time 252000 sec		2501.8 psi
@Treatment Temp. 248 °F,
Time 70.0 hour		DOT #5 Brake Fluid
 17.644 MPa
@Treatment Temp. 120 °C,
Time 252000 sec		2559.1 psi
@Treatment Temp. 248 °F,
Time 70.0 hour		DOT #3 Brake Fluid
 18.42 MPa
@Treatment Temp. 120 °C,
Time 252000 sec		2671 psi
@Treatment Temp. 248 °F,
Time 70.0 hour		SAE Compatibility Fluid
 19.682 MPa
@Treatment Temp. 120 °C,
Time 252000 sec		2854.7 psi
@Treatment Temp. 248 °F,
Time 70.0 hour		DOT #4 Brake Fluid
 19.920 MPa
@Treatment Temp. 150 °C,
Time 252000 sec		2889.1 psi
@Treatment Temp. 302 °F,
Time 70.0 hour		Heat Aged, Test Tube Method
 19.920 MPa
@Treatment Temp. 150 °C,
Time 252000 sec		2889.1 psi
@Treatment Temp. 302 °F,
Time 70.0 hour		Heat Aged
 20.018 MPa
@Treatment Temp. 70.0 °C,
Time 252000 sec		2903.4 psi
@Treatment Temp. 158 °F,
Time 70.0 hour		Heat Aged
 20.671 MPa
@Treatment Temp. 125 °C,
Time 252000 sec		2998.1 psi
@Treatment Temp. 257 °F,
Time 70.0 hour		Heat Aged, Test Tube Method
 20.671 MPa
@Treatment Temp. 125 °C,
Time 252000 sec		2998.1 psi
@Treatment Temp. 257 °F,
Time 70.0 hour		Heat Aged
 21.15 MPa
@Treatment Temp. 100 °C,
Time 252000 sec		3067 psi
@Treatment Temp. 212 °F,
Time 70.0 hour		Heat Aged
Elongation, Ultimate 232 %232 %
 219.9 %
@Treatment Temp. 120 °C,
Time 252000 sec		219.9 %
@Treatment Temp. 248 °F,
Time 70.0 hour		DOT #5 Brake Fluid
 226 %
@Treatment Temp. 150 °C,
Time 252000 sec		226 %
@Treatment Temp. 302 °F,
Time 70.0 hour		Heat Aged
 226 %
@Treatment Temp. 150 °C,
Time 252000 sec		226 %
@Treatment Temp. 302 °F,
Time 70.0 hour		Heat Aged, Test Tube Method
 229 %
@Treatment Temp. 120 °C,
Time 252000 sec		229 %
@Treatment Temp. 248 °F,
Time 70.0 hour		SAE Compatibility Fluid
 234.1 %
@Treatment Temp. 120 °C,
Time 252000 sec		234.1 %
@Treatment Temp. 248 °F,
Time 70.0 hour		DOT #3 Brake Fluid
 237.1 %
@Treatment Temp. 120 °C,
Time 252000 sec		237.1 %
@Treatment Temp. 248 °F,
Time 70.0 hour		DOT #4 Brake Fluid
 238 %
@Treatment Temp. 125 °C,
Time 252000 sec		238 %
@Treatment Temp. 257 °F,
Time 70.0 hour		Heat Aged, Test Tube Method
 238 %
@Treatment Temp. 125 °C,
Time 252000 sec		238 %
@Treatment Temp. 257 °F,
Time 70.0 hour		Heat Aged
 238 %
@Treatment Temp. 70.0 °C,
Time 252000 sec		238 %
@Treatment Temp. 158 °F,
Time 70.0 hour		Heat Aged
 241 %
@Treatment Temp. 100 °C,
Time 252000 sec		241 %
@Treatment Temp. 212 °F,
Time 70.0 hour		Heat Aged
100% Modulus 4.74 MPa688 psi
Tear Strength 33.8 kN/m193 pliDie B
 34.0 kN/m194 pliDie C
Compression Set  6.9 %
@Treatment Temp. 100 °C,
Time 79200 sec		6.9 %
@Treatment Temp. 212 °F,
Time 22.0 hour		Solid
 8.0 %
@Treatment Temp. 100 °C,
Time 79200 sec		8.0 %
@Treatment Temp. 212 °F,
Time 22.0 hour		Plied
 8.6 %
@Treatment Temp. 125 °C,
Time 79200 sec		8.6 %
@Treatment Temp. 257 °F,
Time 22.0 hour		Solid
 8.9 %
@Treatment Temp. 70.0 °C,
Time 79200 sec		8.9 %
@Treatment Temp. 158 °F,
Time 22.0 hour		Solid
 9.3 %
@Treatment Temp. 70.0 °C,
Time 79200 sec		9.3 %
@Treatment Temp. 158 °F,
Time 22.0 hour		Plied
 9.6 %
@Treatment Temp. 100 °C,
Time 252000 sec		9.6 %
@Treatment Temp. 212 °F,
Time 70.0 hour		Solid
 10.8 %
@Treatment Temp. 150 °C,
Time 79200 sec		10.8 %
@Treatment Temp. 302 °F,
Time 22.0 hour		Solid
 11.6 %
@Treatment Temp. 125 °C,
Time 79200 sec		11.6 %
@Treatment Temp. 257 °F,
Time 22.0 hour		Plied
 11.9 %
@Treatment Temp. 100 °C,
Time 252000 sec		11.9 %
@Treatment Temp. 212 °F,
Time 70.0 hour		Plied
 15 %
@Treatment Temp. 150 °C,
Time 79200 sec		15 %
@Treatment Temp. 302 °F,
Time 22.0 hour		Plied
 
Thermal PropertiesMetricEnglishComments
Brittleness Temperature <= -67.8 °C<= -90.0 °F
Shrinkage  -1.00 %
@Treatment Temp. 100 °C,
Time 252000 sec		-1.00 %
@Treatment Temp. 212 °F,
Time 70.0 hour		Volume, Distilled water aged
 0.10 %
@Treatment Temp. 248 °C,
Time 1.08e+6 sec		0.10 %
@Treatment Temp. 478 °F,
Time 300 hour		Volume, Aggressive DEF UL 87C
 1.1 %
@Treatment Temp. 23.0 °C,
Time 7.20e+7 sec		1.1 %
@Treatment Temp. 73.4 °F,
Time 20000 hour		Weight, Aggressive DEF UL 87C
 1.7 %
@Treatment Temp. 120 °C,
Time 252000 sec		1.7 %
@Treatment Temp. 248 °F,
Time 70.0 hour		Volume, DOT #4 Brake Fluid
 1.8 %
@Treatment Temp. 120 °C,
Time 252000 sec		1.8 %
@Treatment Temp. 248 °F,
Time 70.0 hour		Volume, SAE Compatibility Fluid
 2.4 %
@Treatment Temp. 248 °C,
Time 1.08e+6 sec		2.4 %
@Treatment Temp. 478 °F,
Time 300 hour		Volume, DOT #4 Brake Fluid
 2.7 %
@Treatment Temp. 248 °C,
Time 1.08e+6 sec		2.7 %
@Treatment Temp. 478 °F,
Time 300 hour		Volume, SAE Compatibility Fluid
 3.4 %
@Treatment Temp. 120 °C,
Time 252000 sec		3.4 %
@Treatment Temp. 248 °F,
Time 70.0 hour		Volume, DOT #5 Brake Fluid
 3.8 %
@Treatment Temp. 120 °C,
Time 252000 sec		3.8 %
@Treatment Temp. 248 °F,
Time 70.0 hour		Volume, DOT #3 Brake Fluid
 4.2 %
@Treatment Temp. 248 °C,
Time 1.08e+6 sec		4.2 %
@Treatment Temp. 478 °F,
Time 300 hour		Volume, DOT #3 Brake Fluid
 
Descriptive Properties
ColorBlack
TR-10 Temperature-43°C

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.

PPRESL230 / 318440




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