Updated june 25 2018. It tends to gum up on the paper if you only let it dry a couple of hours.
Painting 101 Choosing The Correct Automotive Primer And Sealer
Can you sand primer. Wet sanding is an amazing process that when done properly can result in a surface thats as smooth as glass. Lightly sand a wall after priming for best results by removing dirt and dust before you add your finish coat you greatly enhance the look and texture of the surface this important but often overlooked step to sand a wall after priming will result in a consistently smooth surface. To sand wood with primer on it you should consider a finer grit sandpaper like a 220 grit sand paper. Sand the primer let the primer dry completely then sand it down before painting. Regardless of whether youve wet or dry sanded its always a good idea to go over your work with a gray or red scuff pad. Wet sanding epoxy primer is usually the best way to prep it because epoxy has a tendency to clog paper when sanded dry.
Wet sanding also known as color sanding adds shine to a finished paint job. If its craft projects then you still dont need to sand heavily. I think the can says 1 hour. I prefer to use a lacquer primer though. I let my primer dry from 2 hours to overnight. When water based primer is used on wood it has a tendency to cause the grain to swell so if you do choose to use water based primer lightly sand the surface after the first coat to flatten and.
You would sand the same way as 2k urethane primer400 to 600 grit wet. Use very fine 220 grit sandpaper and apply light pressure to prevent gouging the primer. Its called bushwacker white lacquer primer offered by sherwin williams. Remove the primer dust with a quick brush from the shop vacuum followed by a light swipe of the tack cloth. I spray latex primer and it will sand alright if you let it dry overnight. Your craft paint will adhere just fine.
Whether youre talking about paint primer bare metal or anything in between your cars body can be smoothed by wet sanding. You just lightly go over the item with light sandpaper then dust it with a clean microfiber cloth. If its walls you dont need to sand between coats. The goal of sanding wood that has primer on it is to smooth down the grain that has risen while still leaving the primer intact so you do not lose the added adhesion that the primer will provide for the top coat.
Gallery of Can You Sand Primer
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