ElectroSeal Electrically Conductive Elastomers
ElectroSeal conductive elastomers are ideal for both military and commercial applications requiring both environmental sealing and EMI shielding. Compounds can be supplied in molded or extruded shapes, sheet stock, custom extruded or die-cut shapes to meet a wide variety of applications. ElectroSeal conductive elastomers provide shielding effectiveness up to 120dB at 10GHz.
| All dimensions shown in inches (millimeters) unless otherwise specified | |
| Product Highlights | • Meets both military and commercial standards • Provides both EMI and environmental sealing • Extruded shapes ideal for extremely narrow mounting surfaces • Die cut and molded versions available in an infinite array of sizes and shapes • Wide variety of material compounds for galvanic compatibility to mounting surfaces • High corrosion resistant compounds available |
| SHIELDING EFFECTIVENESS Transfer Impedance (500 MHz) |
40 - 105 dB |
| H-field (200 KHz) Mil 285 | 30 - 75 dB |
| Plane Wave (2 GHz) Mil 285 | 40 - 120 dB |
| Surface Resistivity | N/A |
| Volume Resistivity | 0.002 - 5 ohm-cm |
| Available Size Range | Sheet: 0.020 (0,51) - 0,125 (3,17) thick O-strip: 0.040 (1,02) - 0.250 (6,35) dia. O-tubing: 0.090 (2,28) O.D. x 0.050 (1,27) I.D. to 0.4371 (11,10) O.D. x 0.250 (6,35) I.D. |
| Deflection Operating Range | Sheet: 10% Deflection Solid Extrusions: 10 - 25% Deflection Hollow Extrusions: 20 - 50% Deflection |
| Compression Force (based on shape selection) |
Sheet: 75 - 100 PSI (516,7 - 689 kPa) |
| Compression Set | 15 - 50% @ 50% Deflection |
| Joint Unevenness Accommodation | Sheet: 0.005 - 0.010 (0,13 - 0,25) Tubing: 0.005 - 0.030 (0,13 - 0,76) |
| Compound/Material Availability | Compounds to meet MIL-G-83528 Elastomer: Silicone, Fluorosilicone, EPDM, Fluorocarbon Fillers: Ag, Ag/Cu, Ag/AI, Ag/Ni, Ag/GI, CAR, Ni/Graphite Available in NASA Specified ES75 compounds for outgasing required for space applications |
| Temperature Range | 67 - 392°F (19 - 200°C) |
| Available Profiles | Sheet stock; Solid Extrusion: rectangular, round "D" and U-channel. Hollow Extrusions: square, round, "D", "P" Modified standards and cut to length |
| Mounting Methods | Groove, pressure sensitive adhesive, channel clip on, mechanical fastening |
| Custom Shapes Available | Infinite extruded shapes and complex die cuts and molded parts |
| Fluid Seal | Moisture, rain, jet fuel and nuclear biological chemcial (NBC) UL compounds |
| Air/Dust | Excellent sealing against air and dust |
| Galvanic Compatibility | Over 30 compounds available to ensure galvanic compatibility. High corrosion resistant compounds available |
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Typical Applications for Shielding Gaskets |
EMI and environmental sealing applications where flat or groove mounting surface requires a complex molded or extruded shape. An infinite array of shapes provide flexibility of profile designs down to 0.020 (0,51) diameter to accommodate miniature paging units and other small hand held devices |
