Choosing the Proper Elastomer for Microwave Absorption

Choosing the Proper Elastomer for Microwave AbsorptionRFMW, Ltd. announces the availability of a white paper discussing the proper selection of microwave absorbing and EMI shielding products. This Technical Bulletin from MAST Technologies defines the characteristic properties of various elastomers  used in the manufacture of microwave absorbing products. For example, Nitriles show excellent resistance to petroleum based fuel and oil products so are superior to Silicone in aerospace and flight line environments. For high temperature applications or where dilute acids may be encountered, a Viton based absorber may be the best option. MAST Technologies’ elastomer based absorbers are used in a variety of commercial and military applications where unwanted RF emissions cause system degradation. Applications include the reduction or elimination of cross-talk in optical transceivers, dampening of cavity resonances, absorption of surface wave emissions within equipment chassis’ and magnetic dampening of tuned coils. MAST elastomers can be custom tuned for frequencies ranging from 1MHz to greater than 40GHz.

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