How to Clean Super Glue Off Plexiglass

Written by lisa finn | 13/05/2017
How to Clean Super Glue Off Plexiglass
Super Glue is strong enough to adhere most anything together. (Martin Poole/Stockbyte/Getty Images)

The material now known as Super Glue was discovered in 1942 by Dr. Harry Coover, who was experimenting with different materials for the manufacture of plastic gun sights. He rejected the material, cyanoacrylates, for the project because it stuck to everything. In 1951, Coover and fellow scientist Fred Joyner rediscovered the material while working for Eastman Kodak. Today, Super Glue fixes everything from busted pottery and split fingernails to broken doll pieces and crafts. When it dries, the glue is difficult, but not impossible, to remove. On plexiglass, for example, there are ways to loosen the substance and clean the surface so that it looks like new.

How to Clean Super Glue Off Plexiglass
The thin and sharp blade helps lift the glue. (Comstock/Comstock/Getty Images)

Clean the surface with a soft cloth to remove any dirt or debris. Place one hand on the plexiglass and hold the razor blade in the other. Gently place the razor blade between the glass and dried glue and pull upward to dislodge. Continue this motion until the largest pieces of glue are lifted.

How to Clean Super Glue Off Plexiglass
Soft bristles help loosen remaining glue particles. (Ablestock.com/AbleStock.com/Getty Images)

Wipe the surface clean with a soft cloth. Poor 4 tbsp of acetone in a small, shallow dish. Dip the toothbrush bristles into the acetone. Gently brush the plexiglass where the remainder of the glue resides. Wipe clean with a damp cloth.

How to Clean Super Glue Off Plexiglass
A lemon and salt combination helps release the glue. (Stockbyte/Stockbyte/Getty Images)

Squeeze the juice of one lemon onto any glue that remains. Let sit for three minutes. Sprinkle salt onto the lemon juice and let sit for five minutes. Wipe the mixture off the glass with a dry cloth.

How to Clean Super Glue Off Plexiglass
Use a gentle dish detergent to clean the glass afterward. (George Doyle/Stockbyte/Getty Images)

Squeeze 1/2 tsp dish detergent into a bowl and fill with water to create suds. Dip a clean cloth into the mixture and gently rub the glass surface in circles. Rinse the cloth with warm water. Ring out the excess water and wipe the glass again to remove the excess detergent. Wipe area clean with a dry cloth.

Tip

After cleaning, use a plastic polish if your plexiglass has scratches.

Warning

When rubbing the plexiglass clean after using the razor, be careful so that the glue remnants do not scratch the glass.

Tips and warnings

  • After cleaning, use a plastic polish if your plexiglass has scratches.
  • When rubbing the plexiglass clean after using the razor, be careful so that the glue remnants do not scratch the glass.

Things you need

  • Soft cloths
  • Razor blade
  • Small, shallow dish
  • 4 tbsp acetone
  • Soft-bristle toothbrush
  • Water
  • Lemon
  • Table salt
  • 1/2 tsp dish detergent
  • Bowl

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