Corian Kitchen Sink Problems

Splotches

• When water is left to dry on the surface of a Corian sink, a film can form. The film actually dulls the look of the sink surface so it may begin to look blotchy and uneven in some spots. As a result, it’s important to wipe down your sink after each use and cleaning so water isn’t allowed to linger on top of the Corian. Most Corian sinks are white or other light shades, though, which can hide splotches more effectively than darker Corian countertops.

Scorch Marks

• Unlike stainless steel and stone surface sinks, a Corian sink is not very resistant to high heat. That may not usually be a problem for your skin, but if you should accidentally drop a pot or pan fresh from the stove into the sink -- for instance, when you’re draining pasta or other foods -- your sink can wind up with a nasty scorch mark. DuPont recommends minimizing direct heat exposure with the surface and suggests using a trivet or pad on Corian to protect the material. It may be a good idea to place one in your sink before draining pots in case they slip from your hands. When it comes to washing pots and pans, allow cookware to cool completely before placing them in the sink. If you’re pouring boiling water in the sink, DuPont also recommends running cold water from the faucet directly after to prevent scorching.

Scratches

• While it is a durable material, a Corian sink can be susceptible to scratches and gouges. That means you must take care when placing knives and other sharp utensils into your sink; if you accidentally drop a kitchen knife or fork, your sink may wind up with unsightly marks. You can usually remove most superficial scratches or gouges yourself by sanding them or using an abrasive cleanser; consult the manufacturer’s instructions to find the appropriate method of removal. However, if you have a stubborn scratch or deep gouge, you should call a professional refinisher to handle the repair. Contact your supplier or DuPont for recommendations.

Chemical Stains

• Harsh chemicals and household cleaners can pose a serious risk to your Corian sink. Chlorinated solvents, acidic drain cleaners, paint removers and oven cleaners can all cause surface damage, such as stains or spots, even if the chemicals are only in contact with the sink for a short period. If your sink is exposed to these types of substances, immediately flush the area with water to rinse away the chemicals. You may be able to remove a small stain yourself with the sanding method, but if serious chemical damage occurs, consult a professional.