30630Re: I got the peroxide...May event
- May 13, 2013That's right, I read that it is the bromine used as a fire-retardant, that reacts (oxidizes?) under UV light exposure to cause yellowing.
To reduce the discoloration coming back, keep the item out of excessive UV light.
--- In firstname.lastname@example.org, "s100doctor" <hjohnson@...> wrote:
> My thanks to Bill Degnan and Mike Willeagle for posting that "retrobrite" de-yellowing only lasts months or a few years and items revert over that time. This is good to know.
> For those interested in details, A smart chemist could likely tell us why that's so. It's likely related to brominated hydrocarbons (plastics), is my guess.
> Herb Johnson
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