Leave it to MultiTherm to design a special heat transfer fluid for the combination heating and cooling application. This fluid has very low viscosity, is non toxic, non hazardous, has low vapor pressure and even meets FDA specifications. Temp range from 10°F (-10°C) to 500°F (260°C). This heat transfer fluid has been used for hot and cold cycling of molded products and to improve the versatility of laminating lines. Don’t use an inadequate fluid for your heating and cooling requirement, specify MultiTherm 503.