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Economics and short-time factors have forced many manufacturers of fire resistive coatings to use small-scale fire tests in accordance with ASTM Standard Method of Fire Tests of Building Construction and Materials (E 119-81) time-temperature curve. The difference between small-size and full-size furnaces is not so much in the geometry as it is in the construction. Insulation, burners, and fuel type are influencing factors when making a comparative analysis. The American Iron and Steel Institute (AISI) used a full-size column furnace and a small-column furnace in one of their programs. The correlation between data was substantial enough to focus the attention on using the small furnace as a valid means of testing.
Within the same scenario of small-scale testing, a high intensity fire test (HIFT) is established to simulate a petroleum spill fire. It is being used by the petrochemical industry and fire resistive coating manufacturers to evaluate materials under reproducible simulated thermal conditions of a petrochemical fire.
fire resistive coatings, small scale, fire testing, furnace construction, heat flux, loading high intensity fire tests (HIFT), petroleum spill fire E0119
Executive director, VTEC Laboratories, Inc., Bronx, N. Y.