How Long To Wait To Wetsand Single Stage Paint
Can You lot Sand Unmarried Phase Urethane Paint?
by Tyler Lacoma
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Many types of urethane paints require that yous paint your machine in stages, applying several different coats that must and so be allowed to dry before the next coat is added. Depending on the sequence of steps, wet sanding is usually advised at various stages of the procedure, and with a procedure that takes 4 or more coats you can expect to sand twice. Single-stage urethane bypasses some of these time-consuming steps, but at a toll.
Urethane Single Stage Paints
When urethane paints are practical in stages, the terminal phase is applying the "clear coat" or layer of protector design to add to the sheen of the paint and protect it from damage. This is non part of the urethane process, simply it is common even with single-stage urethane paints. If you choose to use a clear coat, be sure to practise any necessary sanding first, since afterwards you lot volition be forced to sand through the clear coat itself. When using a single-stage paint that has a chemical hardener, you volition probably demand to wait only 24 hours or so earlier sanding. The hardener allows the paint to dry faster and more crisply, so sanding will be more than constructive earlier on in the process. Urethane coats that progress in stages do non mostly use this type of hardener, since the layers naturally build on top of one some other, simply unmarried stage brands use information technology to provide the necessary support to the single layer. If you use a hardener that has not been fully mixed (unmarried-stage paints without a hardener will probably go along to have difficulties), information technology is usually safer to look several days to make sure the pigment has fully dried.
Sanding and Maintenance
You lot should just sand your urethane glaze to remove problem areas, such every bit scratches, ridges, bubbles or other problems that have developed in the paint. Moisture sanding uses a mixture of wet grit and sandpaper to sand down these flaws into a smooth surface. In multi-coat processes, 400- to 600-grit-level sandpaper tin exist used, followed by 1500- to 2000-rated paper in the cease to remove all blemishes. Simply with a single-stage paint job, you should use only 2000-grade sandpaper and use an electric sander or buffer instead of doing it by hand. This will let y'all to achieve a much smoother finish and lessen the likelihood of dissentious the glaze of paint. Single stage urethane coats, especially on metallic colors, can go dulled past the sanding procedure. Sometimes this dulling is expected, and you lot can solve it by applying protective coats of wax as soon equally the pigment has cured. At other times you lot run the risk of permanently dulling the paint, then ever be careful when sanding.
References
Writer Bio
Tyler Lacoma has worked as a writer and editor for several years after graduating from George Fox Academy with a caste in concern management and writing/literature. He works on business organization and technology topics for clients such every bit Obsessable, EBSCO, Drib.io, The TAC Grouping, Anaxos, Dynamic Page Solutions and others, specializing in ecology, marketing and modern trends.
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