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document updated 11 months ago, on Dec 10, 2023
Plastic aging is caused by
photo-oxidation
and
other degradation
.
Ways to undo some of this aging:
retrobrite
, used often for yellowed computer cases
more details about using retrobrite
after applying retrobrite, one might choose to
apply a few layers of UV-protective clear coat
to prevent the yellowing from coming back