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  1. Jul 2024
  2. www.youtube.com www.youtube.com
    DIY Restoring Yellowed Plastic Featuring Royal Mercury Typewriter
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    1. chrisaldrich 17 Jul 2024

      DIY Restoring Yellowed Plastic Featuring Royal Mercury Typewriter

      Yellowed plastics can be treated with sunshine (or other UV light for several days) and hydrogen peroxide (3%) to repair the yellowing.

      watch hydrogen peroxide yellowed plastics vintage plastic typewriter cleaning retrobright
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  3. Jun 2024
  4. en.wikipedia.org en.wikipedia.org
    Retrobright - Wikipedia
    1
    1. chrisaldrich 01 Jun 2024

      https://en.wikipedia.org/wiki/Retrobright

      This process can be used to whiten yellowed plastics.

      retrobright typewriter restoration ABS plastics hydrogen peroxide
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    en.wikipedia.org/wiki/Retrobright