Oil Based Polyurethane Still Tacky. Varnish is used to protect and add a shiny finish to wooden surfaces. Polyurethane is better known as varnish. If it has been dyring two days and it still has tacky spots then something is wrong.

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Polyurethane is better known as varnish. First the solvents evaporate leaving the resin behind. They lack the additives that protect exterior finishes from.

If the coating feels tacky to the touch, it is not cured.

If the coating feels tacky to the touch, it is not cured. You can apply oil based polyurethane over oil based enamel, you can also apply water based polyurethane over water based enamel, never mix the two use a water based polyurethane ans clean up will be much easier. Question anybody had luck spraying oil based polyurethane? They said today to give it a few more days, or put more poly over it (the first time i cut the poly with paint thinner as directed by the guy at ace did you use an oil based minwax, or water based? A wide variety of oil based polyurethane options are available to you, such as classification, key selling points, and local service location. What makes thermal plastic polyurethane. If the coating feels tacky to the touch, it is not cured. Forms a hard, durable film in a few coats.