645z buttons(ISO, EV) became sticky to fingers -- how to fix?

Started 7 months ago | Questions thread
soheil Veteran Member • Posts: 3,017
Re: 645z buttons(ISO, EV) became sticky to fingers -- how to fix?

I'm not sure if it is the same as your case but I've seen some plastic or rubber degradation on some of my stuff that made them sticky and gummy. First one was an old cell phone which had stayed a long time in a drawer unused. The second one was the rubber handle of a tool. I assume that some kind of chemical within them is corrosive and dissolves the rubber or plastic maybe under some environmental conditions. Or maybe it's just because you forgot to clean your fingers after eating your slice of pizza.

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Regards,
Soheil
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