Parker Chomerics CHO-SEAL 1239 Conductive Elastomer

Category	Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE) , Silicone
Manufacturer	Parker Chomerics
Trade Name	CHO-SEAL
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Parker Chomerics CHO-SEAL 1239 Conductive Elastomer.pdf
Price	EMAIL US sales@lookpolymers.com

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 onlyRoHS Compliant Information provided by Chomerics

Physical Properties	Metric	English	Comments
Specific Gravity	4.00 - 5.50 g/cc	4.00 - 5.50 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	73 - 87	73 - 87	ASTM D2240
Tensile Strength at Break	>= 4.14 MPa	>= 600 psi	ASTM D412
Elongation at Break	>= 20 %	>= 20 %	ASTM D412
Tear Strength	12.25 kN/m	69.90 pli	ASTM D624

Thermal Properties	Metric	English	Comments
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 °C	257 °F

Electrical Properties	Metric	English	Comments
Volume Resistivity	0.0070 ohm-cm	0.0070 ohm-cm	as 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 1.00e+8 Hz	>= 110 dB @Frequency 1.00e+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 1.00e+10 Hz	>= 110 dB @Frequency 1.00e+10 Hz	Plave Wave; MIL-DTL-83528 Para.4.6.12

Descriptive Properties	Value	Comments
Binder	Silicone & Expanded Cu Foil
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	G	MIL-DTL-83528
Vibration Resistance, After	<0.007 ohm-cm	MIL-DTL-83528 Para.4.6.13

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