Dow Corning’s EA-7100 adhesive is targeted at underhood auto applications such as control units, as well as lighting and display modules.
Dow Corning’s EA-7100 adhesive is targeted at underhood auto applications such as control units, as well as lighting and display modules.
Dow Corning’s EA-7100 adhesive is targeted at underhood auto applications such as control units, as well as lighting and display modules.
Dow Corning’s EA-7100 adhesive is targeted at underhood auto applications such as control units, as well as lighting and display modules.
Dow Corning’s EA-7100 adhesive is targeted at underhood auto applications such as control units, as well as lighting and display modules.

Silicone Adhesive Works on Automotive Electronics

June 2, 2015
Silicone adhesive works with a range of substrates.

Engineers at Dow Corning have developed a silicone adhesive that works on a wide variety of substrates, including metals, glass, ceramics, and even plastics that have historically been difficult to use with silicone adhesives such as polyethylene, polycarbonate, and acetal. The one-part adhesive, EA-7100, also works on many of these materials without them having to be pre-treated or without extensive cleaning. This makes the adhesive well suited to automotive applications, letting engineers design components out of more cost-effective materials.

The adhesive requires heat to cure quickly, but it can cure in half the time needed by conventional heat-cure platinum-catalyzed silicone adhesives. For example, with a typical lid seal, a standard one-part adhesive takes an hour to cure at 125°C. EA-7100 can fully cure within 15 minutes at 100°C. And in some applications, adhesion is noticeable after only three minutes. The adhesive lets manufacturers use smaller, lower-temperature ovens that consume less electricity. The new adhesive can also be dispensed by conventional equipment already in place.

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