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retrobrite

18 videos.

Retrobriting is a way to whiten plastic that has turned yellow with age. It uses hydrogen peroxide and light, and results can vary with the plastic, so it suits a case you are ready to risk. Opening the machine and removing boards, labels and rubber parts comes first.

The 8-Bit Guy tried it in 2013 in an early test, and returned to it in newer techniques. Hey Birt puts the claims side by side in a myth-testing video. Noel's Retro Lab compares sunlight and liquid peroxide on an Amiga 500, and that maker is sponsored.

Strong peroxide burns skin and eyes, so gloves and eye protection matter. Ultraviolet lamps harm eyes as well. Keep both away from children and pets, and work in a ventilated space.

  1. Hobbyist or repairer

    How to fix yellowed plastics on old computers!

    The 8-Bit Guy

    Yellowed case plastic on old computers is the problem the 8-Bit Guy takes on, after reading about retr0bright results elsewhere and deciding to try the method and report back.

  2. Hobbyist or repairer

    Can the Sun Help This Amiga 500?

    Noel's Retro Lab

    Can sunlight or liquid hydrogen peroxide bring back a yellowed Amiga 500 case? The video tries both, then swaps the internal floppy drive for a Gotek with an external OLED screen.

  3. Hobbyist or repairer

    Amiga 500 Restoration and Retrobrighting

    Noel's Retro Lab

    Noel restores a Commodore Amiga 500, cleaning the case and keys, retrobrighting with hydrogen peroxide, and removing rust from the RF shields before painting them with zinc spray.