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    Evaluating High-Temperature Intumescent Insulation Materials Under Fire and Blast Conditions

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    This paper describes recent testing conducted to evaluate the performance of high-temperature intumescent materials under adverse fire and blast conditions. Results from fire performance evaluations currently protecting offshore oil platforms are presented. Extensive fire and blast qualification testing of epoxy-based intumescent materials has been conducted utilizing specially designed blast chambers, jet fire facilities, and laboratory furnaces. Blast chambers are capable of loading up to a 3 × 3-m insulated bulkhead assembly to a 2 bar over pressure and having a duration of approximately 250 millisecond generated by a controlled flammable vapor cloud explosion. The jet fire test exposes an insulated test specimen to a fire environment characterized by temperatures of approximately 1100°C, sonic gas velocities, and peak heat flux levels in excess of 300 kW/m2.


    offshore platforms, fire, blast, intumescent materials, jet fire, heat flux, vapor cloud, explosion

    Author Information:

    Parker, AJ
    Fire Protection Engineer, Hughes Associates, Inc., Baltimore, MD

    Committee/Subcommittee: C16.24

    DOI: 10.1520/STP12295S