3M Wetordry Paper Sheets 431Q---3M-invented Wetordry sheets are still a favorite of their reduced clogging, long life and great finish. Wetordry 431Q features a silicon carbide mineral on a C wt. paper backing. A silicon carbide Wetordry abrasive product constructed on a C-wt. intermediate paper backing. Can be run wet or dry. Primary markets: metalworking, woodworking.
