DSH

how to make oil seal How to Use Polyurethane Over Latex Paint

by:DSH     2019-06-08
how to make oil seal How to Use Polyurethane Over Latex Paint
Polyurethane is a clear varnish that is hard and strong to dry.It protects your wood surface from scratches, prevents paint from peeling off and is easy to clean.These qualities make it ideal for finishing the table top, bar, cabinets and other interior surfaces.If the polyurethane is exposed to too much sunlight, it will crack and bubble, so it is not suitable for the outdoor surface.Polyurethane can be oil-or water-Based on, you can use any one on latex paint;however, oil-Polyurethane tends to be yellow with age, while water-The basic varieties remain transparent.Suppose you want the paint color under the finish to remain visible and constant, please select water-Polyurethane for your project.The downside is oil-Base Products dry to a slightly harder finish than waterSo if the hardness of the finish is more important to your item than the color, Please select an oilPolyurethane.Oil-The drying speed of basic products is also slower than that of waterGive you more time to work.Make sure the paint is completely dry and free of dust, dirt and grease before starting.Gently polish the surface to help the polyurethane adhere better, then dust it and wipe it with lintFree cloth to remove any sanding dust.Alternatively, you can apply a sealant before applying the varnish, but the worst case scenario if you choose not to apply is that you may have to use an additional polyurethane coating.Using polyurethane is simple but timeConsume because each coat must be completely dry before you apply it.Some products are used to brush, some are used to wipe.A brush-Two or three thick coats are required on the product, each of which must be dried overnight.A wipe-It takes four or five coats on the product, and it takes only two or three hours for each piece to dry.Brush-On varnish, it will be stronger when wipingOn varnish, the finished product looks a little softer.Please note that it can be completed in March if dust enters your project.If you work with waterBased on polyurethane, cover any vents or pipes in the room to minimize dust in the air.Oil is not safe-Basic products that need better ventilation;Instead, empty the area completely before you start.To keep the polyurethane free of bubbles, stir it with a paint stick instead of shaking it and use naturalBrush brush instead of foam brush.Before the coat dries, use 45-Angle with the application angle and smooth any bubbles.Before applying the next coating, gently polish and dust each coating.
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