Used to protect surfaces from abrasion, 3M™ UHMW-PE Film Tape 5421 is a thin caliper general purpose polyethylene tape that creates a "slip plane" effect to allow contact without wear. This tape features a unique combination of properties that make it ideal for many tough impact wear or sliding applications. 3M™ UHMW-PE Film Tape 5421 is a thinner version of 3M™ UHMW-PE Film Tape 5423.