Smooth Resin Castings: 400?800?1200?2000 Grit
Resin castingsβused in jewelry, crafts, or modelsβoften cure with rough edges, bubbles, or dull surfaces. The proven way to refine them is sanding with a grit ladder: 400 ? 800 ? 1200 ? 2000 grit. Each stage reduces imperfections until...