STP880

    Protective Coating System Design for Insulated or Fireproofed Structures

    Published: Jan 1985


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    Abstract

    Corrosion of carbon steel equipment beneath thermal insulation and concrete is a critical concern among refineries, chemical plants, marketing organizations, and pipelines. Corrosion has been detected worldwide under all types of thermal insulating materials. At Exxon this concern has been addressed in a number of laboratory investigations and also during field troubleshooting assignments. This paper describes work undertaken to develop protective coating systems suitable for equipment to be insulated or fireproofed. These systems are described. In addition, the advantages of organic coatings compared to inorganic zinc-rich coatings are reviewed. Also discussed are recently completed novel evaluations to select coating systems for thermally insulated and thermally cycled equipment.

    Keywords:

    corrosion, insulation, tests, paints, coatings, steels


    Author Information:

    Collins, PA
    Staff engineer, engineering associate, and project engineer, Exxon Research and Engineering Co., Florham Park, NJ

    Delahunt, JF
    Staff engineer, engineering associate, and project engineer, Exxon Research and Engineering Co., Florham Park, NJ

    Maatsch, DC
    Staff engineer, engineering associate, and project engineer, Exxon Research and Engineering Co., Florham Park, NJ


    Paper ID: STP39165S

    Committee/Subcommittee: G01.05

    DOI: 10.1520/STP39165S


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