How To Restore Corian Countertops. Corian countertops are relatively simple to care for thanks to their non-porous surface. Always thoroughly dry the surface after cleaning.
Read cleanser labels carefully and follow instructions and warnings before proceeding. You can buff the patch to a matte or semi-sheen or apply the countertop clear coat for a high gloss finish. Remove dirt or residue with soapy water or an ammonia-based cleaner.
Use the sandpaper to lightly rub in circular motion over the scratched surface.
After this time has passed remove. Periodically switch rubbing direction ninety. With the countertop surface still wet start rubbing the scratched area with the peach-colored side of the cleaning. Clean up spills before they dry to prevent hard water marks.