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At least in woodworking, curing oils that don't have metallic driers added to them, take about a month to cure. 100% Tung oil, and (not boiled) linseed oil are

• joe_guy 5y ago
  But perhaps the pans temperature matters.
• mauvehaus 5y ago
  Point of order: linseed oil is flax oil. The flax plant is where we get the fibers that become linen. Linen seed -> linseed. There are a couple other drying oils, but my understanding is that they're more used in oil painting than wood finishing [0]. Also note that modern boiled linseed oil is not the same as the historic product, which as I understand it, was made by boiling linseed oil with white lead. The modern stuff is partially polymerized by heating it in the absence of oxygen. Disclaimer: I am not a chemist or finish chemistry expert. I'm just a woodworker who sometimes reads about this stuff. Bob Flexner is an excellent author for anybody interested in further reading. [0] http://www.cad-red.com/mt2/oil.html http://www.cad-red.com/mt2/oil.html