Product Review

3M Imperial Wetordry Sandpaper 400 grit, 3-2/3in x 9in, 5 sh/pk, Open Stock. Use 3M Imperial Wetordry Sandpaper 400 grit wet or dry for a premiere finish on lacquers, primers, sealers, plastics and paints. For final or between coats sanding of flat areas. Used on sanding blocks or by hand. Wetordry sandpaper is made with silicon carbide abrasive, a sharp synthetic mineral that cuts fast and smooth, and it can also be used to repair surface defects. It can be used with water or cutting oil to reduce clogging and extend abrasive life.