How to Whiten & Clean Yellowing Plastic Items: Safe & Effective Methods
White plastic items such as computer keyboards, plastic pipes, plug sockets etc will eventually turn a yellowy color over time. This doesn’t necessarily mean they are filthy or covered in nicotine stains etc.
The good news is there is no need to replace these items, as they can be safely and effectively cleaned at home. This story goes into what causes white plastic to fade to a yellow color and how to rectify it.
WHY DOES YELLOW PLASTIC TURN YELLOW?
Typically, the main reason white plastic items (such as computers) turn yellow is prolonged UV exposure. The ultraviolet light doesn’t chemically work well with most plastics (such as polymer).
CLEANING & WHITENING YELLOWING PLASTIC AT HOME
BLEACH Naturally, bleach is a popular solution for restoring white shades back into discolored items. Because bleach is very corrosive to all surfaces it touches (particularly human skin) caution will need to be exercised.
HYDROGEN PEROXIDE Another well-known whitening substance is of course hydrogen peroxide. Many of us have hydrogen peroxide already at home, but it is not difficult to find or expensive to buy.
HOW TO CLEAN A KEYBOARD WITH A MAGIC ERASER
Yup – you read that correctly. A magic eraser is a great option for whitening electrical items that may be unsafe to use too much liquid on, such as computer keyboards.
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