Do not use window or glass cleaners on the countertops. While many of these cleaners contain ammonia, they’ll leave streaks on your Corian. You can explore plant-based cleaning options if you prefer avoiding chemical cleaners. Many natural cleaning lines carry products specifically made to clean granite, quartz, and Corian countertops.

Be sure to protect your eyes and skin from bleach while cleaning. Wear a pair of rubber gloves while you perform your disinfecting. If you prefer to avoid bleach, use natural disinfectant sprays and wipes instead.

Move in straight lines and then use a side-to-side movement to buff the surface. It keeps the texture more aligned. [5] X Expert Source Ahmed MezilCleaning Specialist Expert Interview. 13 April 2021.

Be sure to place buffers under crockpots as well.

Also avoid acid drain cleaners, acetone nail polish removers, and any cleaners that include methylene chloride. If you spill nail polish on your countertop, use a non-acetone nail polish remover to clean it off.

You may need to repeat this process a few times before the blotch or scratch is removed. Apply more pressure with the sponge the second and third times.

Be sure the area is thoroughly washed before you begin sanding. Leave the surface wet during sanding. Repeat the cleaning process once you’re finished sanding. Start with the peach-colored 1500 AO material. Next, try the blue 4000 AO pad, and finally the gray 12000 AO option. Lightly rub the pad over the scratch in a single-line motion, rather than a circle. Change your direction about 90° periodically, so that you’re making a box with your sanding motions. Rinse and dry your pad if too much residue builds up. Avoid pressing too deeply, as this may cause an indentation or deeper scratch. [11] X Research source