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I can think of 4 products I have with rubberized plastic surfaces on them that have degraded over time. (IKEA scissors and kitchen knife, Logitech wireless mouse, Rocketfish wireless keyboard.)

The rubberized surface has become gooey and sticky after years of (minimal) use, to the point where it leaves visible residue on my skin or I leave fingerprints in it. The back of the keyboard became sticky like glue.

At first I thought it was just one product and the factory screwed up the plasticizer mix, etc. But now that it's happened in multiple products from multiple companies, is there something in my environment that could be making this happen? Humidity? Sunlight? (I don't think the mouse or keyboard were in the sun much.) A chemical in the air?

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  • $\begingroup$ I'm not sure if this is your exact issue, but here's a little information: polymersolutions.com/blog/… and also youtube.com/watch?v=R1Xmg5Gst0U $\endgroup$
    – Abhigyan
    Sep 9 '17 at 0:09
  • $\begingroup$ @Abhigyan Are these actually made out of rubber though? I assumed it was a special type of plastic. (Or maybe those are the same thing. I'm no chemist.) $\endgroup$
    – endolith
    Sep 9 '17 at 0:28
  • $\begingroup$ Same doubt :) I hope a real chemist turns up soon... Meanwhile, you would do well to ask this question at Lifehacks.SE if you're looking for a solution to this menace... $\endgroup$
    – Abhigyan
    Sep 9 '17 at 14:17

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