This is a multi-part message in MIME format. --------------FB78778C479D109BC3153172 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit If you have a sealed system and are willing to use alkali metals, there are many choices for low melting alloys, including NaK eutectic, which melts at about -12 C, and a ternary eutectic of NaKCs that I found that melts at approximately -75 C. Fred Tepper Trung Duy Truong wrote: > Hello, > > I would like to post a message up for discussion. I need to find a > liquid metal (alloy) with a low melting temperature. Or a conducting > liquid with a very low vapor pressure so that it does not easily > evaporate. I already know of the Indium, Gallium, and Tin eutectic (and > also the one with zinc). But if anyone knows of a better choice of a > conducting fluid, all tips with be greatly appreciated. > > Thanks > > Trung D. Truong > >