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Light Tack Adhesive Eases Fitting of Silicone-Free Thermal Interface Pads

Fri, 08/06/2010 - 6:17am
light tack adhesiveMH&W International provides U 90 silicone-free thermal interface materials (TIMs) with a new light tack adhesive to provide high thermal conductivity where contamination threats prevent the use of silicone-based thermal pads, and allow their easy positioning between components and heat sinks. This thermal interface material is a ceramic-filled polyurethane film with a thermal conductivity of 6.0 W/mK and thermal impedance of 0.05 Kin2/W. A lower cost version, Keratherm U 80, also silicone-free, provides 1.8 W/mK of thermal conductivity and 0.11 Kin2/W of thermal impedance. Both TIMs are available with a light tack adhesive to keep them in place during assembly or pre-attached to heat sinks. The light tack adhesive can be compared with adhesives used on repositionable notes. The TIM pads won’t be damaged when removed from mounting surfaces, which is a common problem when stronger adhesives are used. Typical applications for Keratherm U 90 and U 80 silicone-free TIMs include medical devices, laser equipment, LED lighting, solar energy, disk drives and automotive electronics.

MH&W International
866-649-2673, www.mhw-intl.com
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