How to Sand and Polish Epoxy Resin to a Mirror Finish - GlassCast
5 Simple Tips for Sanding Epoxy Resin
Steps and tools to polish epoxy resin to perfection – Resin Pro
Woodworking ideas - Wet and dry sanding 92 times up to 4000g, 6 layers of 2 k poly plus 7 layers of epoxy resin and about 5 hours of final wax polishing.