Thermally Conductive Adhesive

Thermiglue Thermally Conductive Adhesives

Thermally conductive adhesives are epoxy-based synthetic resins enriched with fillers or silicones also enriched with fillers.

Acrylic adhesives enriched with fillers are also used.

In addition, polyurethane-based adhesives are currently being developed.

Fillers for thermally conductive adhesives

Fillers such as silver or other metals achieve the best thermal conductivity values, but the adhesive also becomes electrically conductive, which is not desirable for many applications in electronics and electrical engineering.

In order to achieve thermal conductivity with simultaneous electrical insulation, adhesives must be used that have ceramic or mineral fillers added.

Areas of application for thermally conductive adhesives

One of the main areas of application for thermally conductive adhesives is the heat dissipation of power electronics. When bonding heat sinks, the thermal conductivity of the adhesive reduces the heat load on the component and thus ensures that the performance of electronic and electrical components is maintained.
However, thermally conductive adhesives are also used as potting compounds for measuring sensors that are used to measure temperature. Increasingly, thermally conductive adhesives are also used in batteries.

Compared to thermally conductive pastes, thermally conductive adhesives have the advantage that they not only dissipate a high level of thermal energy, but also provide fixation and fastening at the same time.

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