The Heat is On – Research into Alternative Heat Transfer Fluids
An article by Jenny Muirhead and Andrew Williams. Click on the link above or the logo to read the article. A snippet of the article below.
As Johan Kotzé, PhD Student at the Solar Thermal Energy Research Group at the University of Stellenbosch explains, the material used is a eutectic Sodium and Potassium alloy (NaK), which has a melting point as low as -12.8 Celsius.