How to Clean & Whiten Yellowed Plastics on Retro Consoles

How to Clean & Whiten Yellowed Plastics from your retro consoles and computers.

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Restoring yellowed plastics is as simple as mixing a safe chemical mixture that will remove yellowing from ABS plastics such as retro games consoles, computer and electronics cases. Typical examples are Commodore, Apple from the 1980s and 1990s, and various video game consoles such as Nintendo.

Yellowing is generally caused by both bromine and exposure to ultraviolet (UV) light. Many of the ABS plastics used in consumer electronics devices are typically “brominated”—combined with bromine as a fire retardant to meet fire safety standards.

Hydrogen peroxide
A small amount of the "active oxygen" laundry booster TAED as a catalyst, and a UV lamp or the natural sun.

The optimum mixture for reversing yellowed plastics:

- 200ml - Hydrogen peroxide solution. 12% or 6% work the same
- Half cap Tetraacetylethylenediamine (TAED) laundry powder
- UV light from sunlight or a UV lamp (We prefer the natural outdoors)
- A thickening cream or gel is optional if the mixture is too thin.