Best Resin For Painting

Wet-sand the seams of the acrylic resin with 320-grit sandpaper.Use a soft and lint-free terry cloth towel to wipe down the acrylic resin to remove the dust created by the sanding.If this is a detailed piece, you will want to repeat the washing and drying as you did previously after you dust it off.Step 3 - sand and fill the acrylic resin.