Epoxy table sanding: Official guide - Sanding & Polishing ...
Sand and polish the epoxy table. Let's get to the intermediate step, because before you can start polishing, you have to sand the table first. If you have run resin on the wood pieces, then use the router to get the table top flat again. If this is not done, then you can start sanding your tabletop directly with an 80 grit.