• Heavy F-weight paper backing provides durability and smooth operation
• Anti-static treatment helps manage dust and loading
• Film media splice provides strong joint and smooth running belt in either direction
• Premium aluminum oxide mineral provides aggressive cut and long abrasive life
• Closed coat provides greater grain density and finer finish on hard woods than open coat abrasives

3M™ Paper Belt 366UZ is constructed with our premium aluminum oxide mineral in closed coat format. It is an anti-static product that resists loading, and is coated on a heavy F-weight paper backing to efficiently sand and finish flat surfaces in woodworking applications.