Eccosorb BSR

Frequency Key features Thickness Service T° In or outdoor
6 GHz and above easily cut, low water absorption 0.25 to 2.54 mm Max 170°C In/Out
Ultra-thin, flexible, high-loss, broadband, electrically non-conductive silicone rubber

Eccosorb BSR is an ultra-thin, flexible, magnetically loaded, silicone rubber material that is electrically non-conductive.  The product is particularly well suited for cavity resonance applications in very small microwave cavities typically seen in higher frequencies.  When placed within a cavity, Eccosorb BSR has proven to be very effective at dampening resonances due to the absorbers high permittivity and permeability. 

Eccosorb BSR is recommended for use in high reliability aerospace and military applications, exhibiting excellent thermal cycling, outgassing, shock, and vibration characteristics. Though designed for the microwave frequency, Eccosorb BSR-1 at .010” thickness has been found to be quite effective at millimeter wave frequencies.