IOTA 2056 PES Polyethylsiloxane fluids provide a stable operation of instruments and mechanisms in the Far North. The good dielectric properties of polyethylsiloxanes allow using them as instrumental fluid in electro mechanisms. They are used at the operating temperature from minus 70-150°C. Polyethylsiloxane Fluids IOTA 2056 PES-IOTA (phenylsilicone.com)