Abstract

Every year, fires caused by thinners are steadily occurring, and even life-threatening disasters are occurring. However, even though the component ratio is expressed as a range in MSDS(Material Safety Data Sheet) provided to workers, information on flash point and auto-ignition temperature is expressed as a single point or is not provided in most cases. Therefore, it was determined that it was necessary to consider the flash point and autoignition temperature according to the component ratio. In this study, the flash point and auto-ignition temperature of pure substances and ethylbenzene and xylenes system of industrial thinners were measured, and the explosion limits were predicted by antoine’s equation and le chatelier’s law through the measured flash point. The prediction formula for spontaneous ignition temperatures in different compositions is shown. The presented experimental data are expected to be provided as reference data to ensure safety in the process of using or manufacturing thinner.

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