duck Posted June 10, 2018 Share Posted June 10, 2018 (edited) I salvaged some small, wood and plastic display boxes from my parents house. They spent years exposed to dust and heavy kerosine soot. I disassembled them and scrubbed them with dawn dish soap and sanitizers. The clear plastic is still discolored. Any tips on how to remove the discoloration? Edited June 17, 2018 by duck Quote Link to post Share on other sites
southwestforests Posted June 10, 2018 Share Posted June 10, 2018 Could be the plastic itself which is discolored from chemical reactions within it. Clear and white plastics are notorious for that: even the white plastic of unbuilt Monogram/Revell 1/72 Shuttle kit which has sat in the dark in the closet for something like 15 years has discolored. Also will happen to white enamel paints and to clear lacquers. Quote Link to post Share on other sites
11bee Posted June 10, 2018 Share Posted June 10, 2018 If it's surficial, you can sand and polish it away. If it's through the full thickness, not much you can do. Quote Link to post Share on other sites
Slartibartfast Posted June 10, 2018 Share Posted June 10, 2018 Maybe try the U.V. trick that fixes yellowed decals? Quote Link to post Share on other sites
Steven H. McLain Posted June 12, 2018 Share Posted June 12, 2018 I have had a lot of success with products called "Novis Plastic Polish". It comes in three different types, coarse, medium and fine. Fine is what I've used for models. We used to clean our lightbars with it. The sun crazes and hazes clear and colored plastics. It worked wonders for lightbars. Quote Link to post Share on other sites
Jonathan S Posted June 13, 2018 Share Posted June 13, 2018 (edited) If you are having a yellowed plastic, try Googling peoples solution to fixing yellowed/discolored Lego bricks. This might work here. Edited June 13, 2018 by Jonathan S Quote Link to post Share on other sites
duck Posted June 17, 2018 Author Share Posted June 17, 2018 Thanks for the tips. Between school work, going through the sruff i salavged from the house and everything else, i hope to try some of these before the months out. I’ll update with results. Quote Link to post Share on other sites
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