For this method, the goal is to lightly sand off the top layer of the plastic that is discolored to reveal a new, white layer.Wash with a mild detergent and allow the pieces to air dry completely.When they have reached the desired level of white, remove from the solution and rinse with clean water.Allow the items to soak until they return to the original white color.If the items can be submerged, then put them into the bucket or bowl.This can easily be done by putting the solution in a spray bottle, just be sure not to let the solution spray onto any surrounding areas or it may bleach them as well. Re-wet the paper towels with the bleach solution as needed to keep them moist. Press the paper towels firmly against the surface of the plastic and let them stay there until the plastic has whitened. If the items cannot be submerged in the bucket, put on gloves, then soak paper towels with the bleach solution and cover the yellowed plastic with the wet paper towels.
Or, if the item cannot be submerged, only make a small batch. Fill it enough so that it will cover the yellowed pieces when they are submerged. Fill a bucket or large bowl with one part bleach and one part water.
How to get yellow color out of acrylic light globes how to#
For those, use our guide How to Clean Food Dyes from Plastics. If your plastic turned yellow from bleach or food coloring, those are actually dye stains. Some are more practical for larger projects, while others are ideal for smaller pieces. Look through the methods to find one that works best on your particular project.
There are a couple of different ways to get rid of this discoloration, ranging from easy to more difficult. White plastic turns yellow over time due to a chemical reaction that occurs when it is exposed to light, oils, etc. Elaine asked: How do I clean yellowed plastic to make it white again?
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