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  1. Polymers with an oil base have minerals and petroleum solvents that dissolve the polys, giving a higher solid concentration of 45% to 50% compared to water-based. The oil-based polymers, though, have an amber hue which changes the color of coated wood. You can apply oil polyurethanes using a brush or spray form.

  2. Jul 9, 2019 · 07-12-2019, 12:17 PM. If your objective is to economize and use up product instead of mixing your finish try using the Varathane as a base coat and the minwax as a top coat. You may need a bond coat between them like Target WB shellac or you may be able to get away with sanding.

  3. Mar 22, 2024 · Drying and Recoat Time. Water-based polyurethane dries and cures fast. This allows for faster application of multiple coats compared to oil-based polyurethane. Oil-based polyurethane dries and cures slowly. One coat dries to the touch in two to three hours. Recoat time for oil-based polyurethane can be up to 12 hours.

  4. Jan 18, 2023 · Advertisement. The other main difference is with drying time, and as previously mentioned, the number of coats you apply. According to Resin-Expert, water-based is ready for a second coat after 8 hours, while oil-based needs 24 hours. Water-based is dry to the touch after 24 hours, but oil-based needs 48 hours.

    • what does it mean if you mix up two things without using water based polyurethane1
    • what does it mean if you mix up two things without using water based polyurethane2
    • what does it mean if you mix up two things without using water based polyurethane3
    • what does it mean if you mix up two things without using water based polyurethane4
    • what does it mean if you mix up two things without using water based polyurethane5
  5. May 5, 2021 · which is a 100% wax-free formula. Apply a thin coat over the original shellac and let it dry. Then you can apply oil-based or water-based polyurethane on top of that without issue. For the best result, start with a freshly sanded & stained/painted piece without any other clear finishes on it.

    • what does it mean if you mix up two things without using water based polyurethane1
    • what does it mean if you mix up two things without using water based polyurethane2
    • what does it mean if you mix up two things without using water based polyurethane3
    • what does it mean if you mix up two things without using water based polyurethane4
  6. Feb 23, 2020 · Yes, you can put a water-based polyurethane over an oil-based one. The most important step is proper preparation; clean the surface to remove dirt, wax, and grease. Then, lightly sand over the oil based polyurethane before applying the water based polyurethane in light coats. Though made of different solvents, water-based and oil-based ...

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  8. Aug 5, 2024 · The basic technique for applying water-based poly is similar to that for oil-based. Apply a thin coat of polyurethane with a fine brush, foam pad, or cloth. Work with the grain, and avoid applying too much polyurethane to avoid raising the grain. The initial coat should be dry within a couple of hours, and you can then apply a second coat.