Looks like beausage. I would leave it as is, unless it is corroding in a dangerous way.
beausage
Had to look that up. Certainly reflects my general approach to cleaning / maintenance, good to know it's fashionable too
Looks like beausage.
Looks more like bloom or photodegradation to me. The material is probably glass filled nylon. It might be worth trying an automotive plastic restoring product like Armorall.
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Looks like beausage. I would leave it as is, unless it is corroding in a dangerous way.