Klübertemp® UT 18 (formerly Fomblin® UT 18) is a homogenous white grease suitable for lubricating mechanical parts used in a wide temperature range from -30 to 150 °C, with a maximum operating temperature of 200 °C. Applications include lubricating optical and micromechanical equipment, as well as mechanical parts subject to medium loads, where resistance to temperature and air degradation are needed.