Is the silicone oil used for heating in temperature control units (TCU) dimethyl silicone oil? What is its viscosity?
Yes, the silicone oil commonly used for heating in temperature control units (TCU) is dimethyl silicone oil (polydimethylsiloxane, PDMS). The commonly used viscosities are 50cSt, 100cSt, 350cSt, or 500cSt (kinematic viscosity at 25℃).