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Thermally Conductive Materials
Long-term, reliable protection of sensitive circuits and components is important in many of today’s delicate and demanding electronic applications. With the increase in processing power and the trend toward smaller, more compact electronic modules, the need for thermal management is growing. Dow Corning’s family of thermally conductive materials provides excellent thermal management options. Thermally conductive silicones function as heat transfer media, durable dielectric insulation, barriers against environmental contaminants and as stress-relieving shock and vibration absorbers over a wide temperature and humidity range.

In addition to sustaining their physical and electrical properties over a broad range of operating conditions, silicones are resistant to ozone and ultraviolet degradation and have good chemical stability. Dow Corning’s line of thermal management materials includes adhesives, encapsulants, compounds and gels.

Good heat transfer is dependent on a good interface between the heat producing device and the heat transfer media. Silicones have a low surface tension that enables them to wet most surfaces, which can lower the thermal contact resistance between the substrate and the material.
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Item #

Type

Product Form

Color

Viscosity

Durometer

Penetration (1/10 of mm)

SE4422 Adhesive N/A Thermally Conductive Adhesives N/A One-Part N/A Gray N/A 200000 mPa/s N/A 69 A N/A
SE9184 CV Adhesive N/A Thermally Conductive Adhesives N/A One-Part N/A White N/A Non-flow N/A 72 A N/A
SE4450 Adhesive N/A Thermally Conductive Adhesives N/A One-Part N/A Gray N/A 61000 mPa/s N/A 95 A N/A
1-4173 Adhesive N/A Thermally Conductive Adhesives N/A One-Part N/A Gray N/A 58000 mPa/s N/A 92 A N/A
1-4174 Adhesive N/A Thermally Conductive Adhesives N/A One-Part N/A Gray N/A 58000 mPa/s N/A 92 A N/A
Ql-9226 Adhesive N/A Thermally Conductive Adhesives N/A Two-Part N/A Gray N/A 50000 mPa/s N/A 66 A N/A
3-1818 Adhesive N/A Thermally Conductive Adhesives N/A One-Part N/A Gray N/A 68700 mPa/s N/A 88 A N/A
3-6751 Adhesive N/A Thermally Conductive Adhesives N/A Two-Part N/A Gray N/A 10000 mPa/s N/A 67 A N/A
3-6752 Adhesive N/A Thermally Conductive Adhesives N/A One-Part N/A Gray N/A 81000 mPa/s N/A 87 A N/A
3-6753 Adhesive N/A Thermally Conductive Adhesives N/A Two-Part N/A Gray N/A 11000 mPa/s N/A 72 A N/A
340 Heat Sink Compound N/A Thermally Conductive Compounds N/A One-Part N/A White N/A Nonflowing N/A N/A
SE4490CV Thermally Conductive Compound N/A Thermally Conductive Compounds N/A One-Part N/A White N/A 500000 mPa/s N/A N/A
SE4430 N/A Thermally Conductive Materials for Pad Manufacturing N/A Two-Part N/A Gray N/A 5600 mPa/s N/A 70 OO N/A 35
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