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  1. Jul 2024
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    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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