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The sacrificial PC keyboard turned shockingly pale after spending ~30h in my peroxide bath with UV light.

The +/= key, which was suspended above the liquid, is almost the same shade.

The minus and backspace keys are untreated, while the backslash key was only exposed to sunlight and then UV, but never went in with the peroxide.

Contrary to reports that #retrobrighting weakens plastic, as far as I can tell the material remained strong and normally flexible.

#chemistry #vintagecomputing