Why do some plastics get yellow over time?

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So I recently found my childhood SNES and it has turned yellow. I’ve seen this happen to a lot of consoles online and I know how to remove the yellowing, I’m just wondering why and how it happens?

In: Chemistry

3 Answers

Anonymous 0 Comments

They are both gathering dust and other particles from the air and breaking down due to age and uv exposure.

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