Premature Doctor Blade wear. Doctor Blade chatter. Score lines. Corrosion of the exposed base. Premature end seal wear. All of these issues will affect productivity and print quality. However there is a solution: Opti-Patch. This product is a cost effective permanent means of repair that can be done while your anilox rolls are in your press. Opti-Patch is a epoxy based material that when cured has the hardness and wear resistance that will stand up to the harshest environments.