How to repair a scratched acrylic sink

Written by samantha volz
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How to repair a scratched acrylic sink
(NA/ Images)

Acrylic is a sturdy and strong material used as a shatterproof alternative to glass in aquariums, windows, and other products. The resilient material also adorns sinks, showers, bathtubs, and other much-used areas. As resilient as acrylic can be, it is prone to scratching from sharp edges, leaving your acrylic sink looking battered and worn. Careful sanding and polishing can remove the scratches without causing further damage to your sink.

Skill level:

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Things you need

  • Wet/dry sandpaper
  • Water
  • Cloth
  • Towel
  • Polishing compound
  • Lint-free cloth

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  1. 1

    Soak a piece of 1000 grit wet/dry sandpaper in cold water for at least five minutes. While this soaks, wipe down the scratched area of the sink with a cloth dampened in warm water to remove surface dirt. Dry the area with a clean towel.

  2. 2

    Sand the scratched area lightly, moving in circles around the scratch. Do not sand in one area too long, because the heat from friction can soften the acrylic. Keep the sandpaper wet at all times.

  3. 3

    Sand for about 30 seconds, and then dry the surface to check your progress. The scratch will begin to fade as you sand, though the acrylic will develop haze and minuscule scratches. Continue to wet-sand until you see the scratch fading significantly.

  4. 4

    Wet-sand the area with 2000 grit wet/dry sandpaper, using the same method to shrink the scratch even more. Check your progress regularly, and stop sanding when the original scratch is barely visible.

  5. 5

    Apply a thin layer of medium-coarse polishing compound to a soft, lint-free cloth. Buff the hazy area in small circles with the compound to remove haze and minuscule scratches. Avoid friction in a single area.

  6. 6

    Repeat the buffing process with fine polishing compound to fill in the last of the scratches. Buff until all haze and scratches have disappeared.

Tips and warnings

  • Polishing compound may be able to remove extremely thin and shallow scratches without the use of sandpaper.
  • Find sandpaper and polishing compound at hardware and home improvement retailers.

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