Reply To: Sharpening in the cold
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16 January 2020 at 8:28 pm
#645166
Matt.
The freezing point of isopropyl alcohol is -128.2°F ( -89° C).
I’m not working at my bench at that temperature.
Here is a chart for mixing isopropanol with water (or water – surfactant ) for warmer temperatures. I suspect your windshield mixture wasn’t mixed appropriately for the temperature encountered. Usually, the jug will have a mixing chart.