STP346

    Fluorocarbon Gases and Volatile Liquids: Properties and Applications

    Published: Jan 1964


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    Abstract

    The fluorocarbon family of compounds ranges from low-boiling gases such as CF4, C2F6, and C3F8 to relatively high-boiling liquids such as C8F16, cyclic C8F18O, and (C4F9)3N. All these fluorocarbons possess the desirable features of being nonflammable and nonexplosive. The outstanding thermal, chemical, and electrical stability of these molecules allow them to be used under a wide variety of operating conditions. Data are presented on the properties of the gases, the liquids, and the vapors of the liquids. Physical properties, thermal stability, electrical properties, heat transfer characteristics, and compatibility with materials of construction are discussed. The unique properties of the fluorocarbons have been used to achieve important improvements in a variety of instruments and devices in the elctrical-electronic, aerospace, chemical, and communications industries. The ability to “tailor-make” a controlled atmosphere for devices has led to designs which extend operational and environmental limits, increase power levels, and permit miniaturization. Applications in equipment such as transformers, microwave tubes, high-voltage power supplies, choppers, transistors, and rectifiers are discussed.


    Author Information:

    Sargent, J. W.
    Minnesota Mining and Manufacturing Co., St. Paul, Minn

    LaZerte, J. D.
    Minnesota Mining and Manufacturing Co., St. Paul, Minn


    Paper ID: STP44527S

    Committee/Subcommittee: D27.03

    DOI: 10.1520/STP44527S


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