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30-03-2070-1285, CHO-SEAL 1285 conductive silicone elastomer features corrosion resistance in salt spray environments over silver-plated copper-filled silicone, the dominant EMI Gasket material for military and aerospace applications. The CHO-SEAL 1298 elastomer is lighter, with a shield performance within 10dB, recommended for when the system shielding specifications are up to 90 dB at 1 GHz. It is a medium-durometer silicone with excellent low- and high-temperature properties and electrical stability.