How to Repair Scratched Porcelain

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Porcelain and porcelain enamel may have different bases, the former clay and the latter cast iron or stainless steel, but you can repair small scratches on the glass-like glaze or coating in the same way. When the scratch hasn’t fully penetrated the outer surface, clean the porcelain before buffing out the scratch. If the base metal or clay is exposed, clean and then replace the missing coating with two-part epoxy or a porcelain repair product.

Things You'll Need

  • Gloves
  • Lint-free cloths
  • Oxygen bleach
  • Household scouring powder
  • Toothbrush
  • Soft-bristle brush
  • Synthetic dish scouring pad
  • Tile polish
  • 600-grit wet-dry sandpaper
  • Two-part tinted epoxy
  • Porcelain repair kit
  • Plastic dish
  • Toothpick
  • Paintbrush
  • Baking soda

Clean It Up

Step 1

Rinse the porcelain with clean, cool water to remove lose grime and buildup.

Step 2

Wipe the surface down with a dry, lint-free cloth. Dilute 1/4 cup of oxygen bleach in 4 cups of warm water. Dip a soft rag into the solution and apply it liberally to the porcelain. Let the solution sit for 15 minutes.

Step 3

Scrub the surface with a soft rag to work the diluted oxygen bleach into the porcelain and loosen dirt and grime. Rinse the area with clean, cool water.

Buff It Out

Step 1

Create a paste with household scouring cleaner and water; the solution should be thick and slightly clumpy, not runny. Wearing gloves, apply an even layer over the scratch. Wait five to 10 minutes.

Step 2

Buff the paste into the porcelain with an old toothbrush, soft bristle scrub brush or a mild synthetic scouring pad meant for dishes. Do not use steel wool or anything similarly abrasive. Work in circular motions until the cleaning tool picks up most of the paste and the scratch disappears.

Step 3

Rinse the area with clean, cool water. Apply tile polish to a soft, lint-free rag and buff it over the freshly removed scratch area to restore shine and blend the area with the surrounding, undamaged porcelain.

Fill It In

Step 1

Fold or cut a piece of 600-grit wet-dry sandpaper into a manageable square. Working from the inside of the scratch out, sand the area briefly to create a slightly gritty surface. If you’re repairing porcelain enamel, sand off any rust on the exposed metal. Wipe the porcelain down with a wet rag to remove the dust.

Step 2

Mix two-part epoxy, in a shade that matches the porcelain, in a small plastic dish. Porcelain-specific repair kits also work well, and some don’t require mixing, only an accurate color match on your part.

Step 3

Dip a wooden toothpick into the epoxy or porcelain repair product. Starting from the center of the scratch, fill in the damage. If the scratch isn’t very deep, a thin paintbrush works well.

Step 4

Let the enamel or patch product dry completely, at least 24 hours. After seven to 10 days, gently buff the area with a paste of baking soda and water to gradually blend it with the surrounding area.

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