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Chemically Resistant adhesives

Parker Chomerics CHO-SEAL 1239 Conductive Elastomer
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE); Silicone
Material Notes: Material for waveguide choke, cover, and flange EMI shielding and pressure sealing; maximum heat transfer and minimum outgassing; hard (80 Shore A), high-strength material; available with raised lip around iris opening for high power/high pressure applications.

Molded only

RoHS Compliant

Information provided by Chomerics
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 4.00 - 5.50 g/cc4.00 - 5.50 g/ccASTM D792
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 73 - 8773 - 87ASTM D2240
Tensile Strength at Break >= 4.14 MPa>= 600 psiASTM D412
Elongation at Break >= 20 %>= 20 %ASTM D412
Tear Strength 12.25 kN/m69.90 pliASTM D624
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 0.0070 ohm-cm0.0070 ohm-cmas supplied without pressure sensitive adhesive; MIL-DLT-83528
Shielding Effectiveness  >= 70 dB
@Frequency 200000 Hz		>= 70 dB
@Frequency 200000 Hz		H Field; MIL-DTL-83528 Para.4.6.12
 >= 110 dB
@Frequency 1e+8 Hz		>= 110 dB
@Frequency 1e+8 Hz		E Field; MIL-DTL-83528 Para.4.6.12
 >= 110 dB
@Frequency 5.00e+8 Hz		>= 110 dB
@Frequency 5.00e+8 Hz		E Field; MIL-DTL-83528 Para.4.6.12
 >= 110 dB
@Frequency 2.00e+9 Hz		>= 110 dB
@Frequency 2.00e+9 Hz		Plane Wave; MIL-DTL-83528 Para.4.6.12
 >= 110 dB
@Frequency 1e+10 Hz		>= 110 dB
@Frequency 1e+10 Hz		Plave Wave; MIL-DTL-83528 Para.4.6.12
 
Thermal PropertiesMetricEnglishComments
Thermal Conductivity 1.90 W/m-K
@Pressure 2.07 MPa		13.2 BTU-in/hr-ft²-°F
@Pressure 300 psi		ASTM D5470
Maximum Service Temperature, Air 125 °C257 °F
 
Descriptive Properties
BinderSilicone & Expanded Cu Foil
EMP Survivability >0.9 kA / inMIL-DTL-83528 Para.4.6.16
FillerAg/Cu
Heat Aging<0.01ohm-cmMIL-DTL-83528 Para.4.6.15
Type GMIL-DTL-83528
Vibration Resistance, After<0.007 ohm-cmMIL-DTL-83528 Para.4.6.13

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.

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PCHOME104 / 28326

Chemically Resistant adhesives




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