Parker Chomerics CHO-SEAL 1212 Conductive Elastomer

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Parker Chomerics CHO-SEAL 1212 Conductive Elastomer
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE); Silicone
Material Notes:	High strength, hard (80 shore A) material for waveguide, choke, cover, and flanges with grooves for EMI and pressure sealing. Molded only RoHS Compliant Information provided by Chomerics
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Physical Properties	Metric	English	Comments

Specific Gravity	3.05 - 3.95 g/cc	3.05 - 3.95 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	78 - 92	78 - 92	ASTM D2240
Tensile Strength at Break	>= 2.76 MPa	>= 400 psi	ASTM D412
Elongation at Break	100 - 300 %	100 - 300 %	ASTM D412
Tear Strength	7.00 kN/m	39.9 pli	ASTM D624
Compression Set	<= 35 % @Temperature 100 °C, Time 252000 sec	<= 35 % @Temperature 212 °F, Time 70.0 hour	ASTM D395 Method B

Electrical Properties	Metric	English	Comments
Volume Resistivity	0.0050 ohm-cm	0.0050 ohm-cm	as supplied without pressure sensitive adhesive; MIL-DTL-83528
	0.010 ohm-cm	0.010 ohm-cm	Post Tensile Set; MIL-DTL-83528 Para.4.6.9
Shielding Effectiveness	>= 70 dB @Frequency 200000 Hz	>= 70 dB @Frequency 200000 Hz	H Field; MIL-DTL-83528 Para.4.6.12
	>= 120 dB @Frequency 1e+8 Hz	>= 120 dB @Frequency 1e+8 Hz	E Field; MIL-DTL-83528 Para.4.6.12
	>= 120 dB @Frequency 5.00e+8 Hz	>= 120 dB @Frequency 5.00e+8 Hz	E Field; MIL-DTL-83528 Para.4.6.12
	>= 120 dB @Frequency 2.00e+9 Hz	>= 120 dB @Frequency 2.00e+9 Hz	Plane Wave; MIL-DTL-83528 Para.4.6.12
	>= 120 dB @Frequency 1e+10 Hz	>= 120 dB @Frequency 1e+10 Hz	Plane Wave; MIL-DTL-83528 Para.4.6.12

Thermal Properties	Metric	English	Comments
Thermal Conductivity	1.80 W/m-K @Pressure 2.07 MPa	12.5 BTU-in/hr-ft²-°F @Pressure 300 psi	ASTM D5470
Maximum Service Temperature, Air	125 °C	257 °F
Minimum Service Temperature, Air	-45.0 °C	-49.0 °F	Flex TR10; ASTM D1329

Descriptive Properties
Binder	Silicone
EMP Survivability	>0.9 kA / in		MIL-DTL-83528 Para.4.6.16
Filler	Ag/Cu
Heat Aging	<0.01ohm-cm		MIL-DTL-83528 Para.4.6.15
Type	K		MIL-DTL-83528
Vibration Resistance, After	<0.005 ohm-cm		MIL-DTL-83528 Para.4.6.13
Vibration Resistance, During	<0.01 ohm-cm		MIL-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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