|Method||Pensky Martens Closed Cup Method (PMCC)|
The Pensky Martens Closed-Cup Method is a means of determining flash point for liquid samples.
A cup is filled with a test specimen and fitted with a cover. The sample is then heated and stirred at the same time. An ignition source is then directed into the cup at regular intervals with simultaneous interruption of stirring until a flash that spreads throughout the inside of the cup is seen. The corresponding temperature is its flash point.
The flash point of a sample can provide insight not only into its relative volatility, but also with regard to fuel dilution, contamination and makeup.
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