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Nicotine/yellowing of plastic.

Posted: Tue Sep 20, 2011 5:55 pm
by nline24
Any opinions on the best way to remove this if it is at all even possible? I have read to stay away from chemicals but soap and water doesnt do the trick.

Thanks in advance.

Nick

Re: Nicotine/yellowing of plastic.

Posted: Tue Sep 20, 2011 6:39 pm
by Ron Rich
Nick,
Well, I have been told, it's not "nicotine" that "yellows" anything. It's actually the "tar" instead.
What are you attempting to "De-yellow" ? Ron Rich

Re: Nicotine/yellowing of plastic.

Posted: Tue Sep 20, 2011 6:52 pm
by Ken Layton
Some yellowing is due to the effects of exposure to ultraviolet light.

Sometimes you can remove some yellowing with Novus # 2 Plastic Polish and lots of elbow grease.

Re: Nicotine/yellowing of plastic.

Posted: Tue Sep 20, 2011 8:13 pm
by DoghouseRiley
I've found that most yellowing can't be removed, as opposed to years of nicotine which can. As has been mentioned, it is usually light which causes this, it can also make the plastic very brittle so care must be taken when cleaning it.

Re: Nicotine/yellowing of plastic.

Posted: Fri Oct 21, 2011 12:07 am
by nline24
Here's an example of what I am up against. In process of painting the cabinet so the yellowing really, really stands out on the bottom of the title strip holder. I am not looking for perfect but something that may lighten it up a bit.

Re: Nicotine/yellowing of plastic.

Posted: Fri Oct 21, 2011 5:11 am
by Ron Rich
See "DoghouseRiley's" post above--it's as "white" as it's ever gonnnabee--or it will be a "gonner"--
Ron Rich

Re: Nicotine/yellowing of plastic.

Posted: Fri Oct 21, 2011 5:31 am
by Joe_DS
There are some tips online involving Hydrogen Peroxide, but I've never tried them, so I'd say, do at your own risk --


De-Yellowing plastic - the stain isn't permanent after all Achieve a "like new" look with household chemicals --
http://www.exisle.net/mb/index.php?/top ... after-all/


How to Clean Yellow Plastic
--
http://www.ehow.com/how_4545758_clean-y ... astic.html

You'll find other suggestions by doing a Google search for -- yellowing plastic

JDS

Re: Nicotine/yellowing of plastic.

Posted: Fri Oct 21, 2011 9:30 pm
by nline24
Overall I may give it a gentle scrubbing with some dish soap and water and see what that takes off. I don't want to go crazy with chemicals and ruin things for the future.


Thanks to all for their input.