How long does rust paint take to dry?

Dry and recoat times are based on 70°F (21°C) and 50% relative humidity. Allow more time at cooler temperatures. Dries to the touch in 2-4 hours, to handle in 5-9 hours and is fully dry after 24 hours. Recoat after 24 hours.Click to see full answer. Hereof, why does rustoleum take so long to dry?High humidity will make it take much longer to dry. It may take a week or so to harden. As Coastie says humidity and temp play a big role on enamels drying. If you sprayed it thinning with xylene will help it to dry 3-5 times faster.Also Know, how long does it take for spray paint to completely dry? Surface Dry in 3 to 5 minutes, touch dry in 10 minutes and hard dry in 2 to 3 hours. Epoxy or Polyurethane or polyester multi pack paints : They dry by chemical reaction of one ingredient on the other. The drying is faster and surface dry shall be around 5 minutes and hard dry in 30 minutes to 1 hr. Considering this, when can I apply a second coat of Rustoleum? Only one coat is required, but if a second coat is needed for additional durability or uniformity, wait until the first coat is dry to the touch (1-2 hours) before applying the second coat. The second coat must be applied within 24 hours.Should I sand between coats of Rustoleum?With water-based topcoats, sand any “grain-raise” smooth before applying the final coat. Note: Sanding between coats is not necessary, but it will provide a better finish. After a coat has dried, use 220 or 240 grit sandpaper or extra fine steel wool to lightly sand surface.

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