SYLTHERM silicone thermal fluids are specially formulated, high performance polymers designed for use as a low temperature, liquid phase heat transfer medium. They are known for their low viscosity, which offers excellent heat transfer performance and long service life – Syltherm Silicone Thermal Fluid – Syltherm 800, Syltherm HF, Syltherm XLT. The fluids meet operating requirements for highly technical applications such as oil and gas processing, chemical processing, solar energy manufacturing, and pharmaceutical reactions.