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#1
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Air Bubbles in Mirror Coat
I decided to use the mirror coat by System Three for my bar top epoxy
coating. I have completed the first coat, which I made very thin. Just thick enough to seal off the wood. I believe that there are small air bubbles that formed, it is hard to tell if they are craters or air bubbles. So what type of sandpaper should I use to get out the air bubbles? Then what should I use to clean the surface before adding the next layer? Is the sandpaper going to scuff or scratch the surface, and will this show up thru the next layer? Thanks! |
#2
Posted to rec.woodworking
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Air Bubbles in Mirror Coat
Bubbles are either from your whipping air into the batch when you mixed it
or, especially outdoors, if the wood heats after the coating is applied, air in the wood expands and tries to get out through the coating. In any event, they can be sanded out. Not having used System Three, I would start with 220 paper, if that does it, fine. Otherwise go to progressively coarser papers until you have the bubbles/divots removed. Then go back up through the grits until you get to 220. The scratches will not show. Mix calmly and don't try to coat the surface outdoors or in a room that is heating up. Dave wrote in message ps.com... I decided to use the mirror coat by System Three for my bar top epoxy coating. I have completed the first coat, which I made very thin. Just thick enough to seal off the wood. I believe that there are small air bubbles that formed, it is hard to tell if they are craters or air bubbles. So what type of sandpaper should I use to get out the air bubbles? Then what should I use to clean the surface before adding the next layer? Is the sandpaper going to scuff or scratch the surface, and will this show up thru the next layer? Thanks! |
#3
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Air Bubbles in Mirror Coat
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