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Parker Chomerics CHO-SEAL 1278 Conductive Elastomer

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE) , Silicone
Manufacturer Parker Chomerics
Trade Name CHO-SEAL
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Parker Chomerics CHO-SEAL 1278 Conductive Elastomer.pdf
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Material Notes:
Conductive Elastomer EMI/EMP GasketsInformation provided by Chomerics
Physical Properties Metric English Comments
Specific Gravity 3.75 - 4.25 g/cc
3.75 - 4.25 g/cc
Mechanical Properties Metric English Comments
Hardness, Shore A 70 - 80
70 - 80
Tensile Strength at Break >= 1.38 MPa
>= 200 psi
ASTM D412
Elongation at Break >= 100 %
>= 100 %
ASTM D412
Tear Strength 5.34 kN/m
30.5 pli
Compression Set 32 %
32 %
70 hrs @ 100°C; ASTM D395 Method B
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 125 °C
257 °F
Minimum Service Temperature, Air -55.0 °C
-67.0 °F
Electrical Properties Metric English Comments
Volume Resistivity 0.0050 ohm-cm
0.0050 ohm-cm
as supplied without pressure sensitive adhesive
0.010 ohm-cm
0.010 ohm-cm
Post Tensile Set; MIL-G-83528
Shielding Effectiveness >= 70 dB
>= 70 dB
200 kHz (H Field); MIL-G-83528
>= 110 dB
>= 110 dB
10 GHz (Plane Wave); MIL-G-83528
>= 115 dB
>= 115 dB
2 GHz (Plane Wave); MIL-G-83528
>= 120 dB
>= 120 dB
100 MHz (E Field); MIL-G-83528
>= 120 dB
>= 120 dB
500 MHz (E Field); MIL-G-83528
Descriptive Properties Value Comments
Binder Silicone
EMP Survivability kA / in, min 0.9
Filler Ag/Ni
Heat Aging ohm-cm max 0.01
Type (Ref. MIL-G-83528) L
Vibration Resistance, After, ohm-cm max 0.005
Vibration Resistance, During, ohm-cm max 0.01
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