The black residue that is sometimes left behind by tape when it's removed from drywall, walls, or paint is commonly known as "tape residue" or "adhesive residue." This residue is often a combination of the adhesive from the tape and accumulated dirt or dust that has adhered to it over time.
Tape residue can be particularly noticeable on lighter-colored walls or surfaces. The darkness of the residue may vary depending on the type of tape used and the duration of its application.
To remove tape residue from walls or painted surfaces, you can try the following methods:
Warm, soapy water: Mix a mild detergent or dish soap with warm water. Dampen a clean cloth or sponge with the solution, and gently rub the residue in a circular motion until it starts to lift off.
Rubbing alcohol: Moisten a clean cloth or sponge with rubbing alcohol (isopropyl alcohol) and gently dab or rub the residue until it dissolves. Test the alcohol on a small, inconspicuous area first to ensure it does not damage or discolor the surface.
Commercial adhesive removers: There are adhesive removers available in the market specifically designed to remove sticky residue. Follow the instructions on the product, apply it to a clean cloth, and gently rub the residue until it comes off.
Regardless of the method you choose, it's generally a good idea to test it on a small, inconspicuous area first to ensure it doesn't cause any damage or discoloration to the wall or paint. Additionally, be cautious when rubbing or scrubbing to avoid damaging the surface.
If the residue persists or if you're uncertain about removing it yourself, it may be best to consult a professional painter or a local hardware store for advice on the most appropriate solution for your specific situation.