Huber SilOil M80.100/250.03, Heat transfer fluid -80 to 250°CHuber SilOil M80. 100 250. 03, Heat transfer fluid 80 to 250C SilOil M80. 100 250. 03 is a low viscosity silicone fluid which, as a result of its special property profile, is particularly suitable for use as a cold and heat transfer medium in cryostats, thermostats and heat transfer installations. SilOil M80. 100 250. 03 can be used in the range from 80 C to 100 C (for open systems) and to 250 C with externally sealed systems (Unistats). It should be