Silicone compounds reduce system size and weight while increasing versatility and durability. The compounds R-2634, R-2940, and CFI-6755, developed by NuSil Technology (Carpinteria, CA; 805/684-8780), are electronic silicones consisting of organic molecules that chemically bond to an inorganic backbone. R-2634 is a room-temperature vulcanized (RTV) paste that provides electrical conductivity from –115°C

April 1, 2002

1 Min Read
Silicone compounds    reduce system size and weight while increasing versatility and durability

to 230°C. Suitable for gasketing and shielding, R-2634 also acts as a conductive cement between circuit boards. R-2940, a thermally conductive RTV paste, provides a full cure time that can be heat-accelerated and is activated from –65°C to 240°C. R-2940 conducts heat away from electronic circuits and allows heat transfer between components. NuSil's CFI-6755 is an RTV liquid elastomer, operating from –65°C to 265°C when cured. It is effective as an adhesive or encapsulant in sighting and laser applications.

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