Paper Backed Abrasives Pressure Sensitive Adhesive (PSA) Aluminum Oxide 100 Discs/Box SurfPrep’s blended paper backing provides for enhanced support of grain and edge-wear. Premium abrasive grain in an open coat construction provides a true, consistent & uniform scratch. Innovative ‘load-free’ coating provides for a fast rate of cut and longer life. Call us at 303-422-3413 to order!