Ideal fluids for applications with component immersion, wafer etching, ion implantation, radar equipment, transformers, power supplies, UF6 production, chillers, cooling towers, and freeze dryers, Perfluorinated, inert polyethers have a high resistance to oxidation and thermal degradation, Compatible with metals, ceramics, plastics, and elastomers, Fluids have low viscosity, no hydrogen in the molecular structure, and low water absorption.