After the precoat cured and dried for 24h I thought that it was time to sand it with 180 grit sand paper. But it seems that the 20 degrees Celsius (the temperature in the workshop) was not enought for epoxy to fully dry, so I was only able so sand it by hand, as the use of the electric sander generatet too much heat trough friction, and epoxy dust started to bond together in pieces of chewing gum consistency. So I only lightly hand sanded 1 half of the canoe, and let the rest cure for another 12 hours. But I got to put on the fancy suit:) (pleas consider that uncured epoxy dust is very toxic, so always use proper protection!!!). You can see the difference between the still shiny left side of the canoe and the dull sanded half on the right.
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