Stir the test portion in a clockwise direction (i.e. to give a downward thrust) at 30 r/min ± 5 r/min. Continue stirring in a steady manner for the duration of the test but do not stir during the application of the ignition source.
Stir the test portion in a clockwise direction (i.e. to give a downward thrust) at 30 r/min ± 5 r/min.Continue stirring in a steady manner for the duration of the test but do not stir during the application of the ignition source.