SOSILNA High-Temperature Heat Transfer Fluid is a Heat Transfer Fluid (HTF) for Closed and Open Loop Systems up to 630F (332C). Is a high-quality heat transfer fluid designed for systems that require a fluid with stability up to 630F (332C). The combination of high-quality base fluids and additives provides excellent resistance to oxidation and thermal degradation. With improved thermal capacity and conductivity and can increase system performance by enhancing the heat transfer capability. It is ideal for a wide range of applications that require a long-lasting and clean running fluid.