3M Wetordry Sandpaper - 9" x 11" Sheets
3M Wetordry 431Q Sandpaper 9"x11" Sheets Wetordry sandpaper can be used with water to reduce dust while providing a fine finish. Sharp, synthetic silicon carbide cuts fast and smooth for wet or dry sanding between coats of varnish, paint or other finishes; sanding metal for repainting or prior to prime coat; and wet finishing of plastic/fiberglass and top coats. Use with water to reduce clogging and extend abrasive life. Dry sheets are used for heavier sanding application where wet sanding is not an option. Waterproof resin bond, resistant to oil and water, Silicon Carbide, 431Q, C weight paper except 600 grit which has 413Q, A weight paper for conformability.