Loading ...
Sorry, an error occurred while loading the content.

30630Re: I got the peroxide...May event

Expand Messages
  • nicodemus_nj
    May 13, 2013
    • 0 Attachment
      That'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 midatlanticretro@yahoogroups.com, "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
      >
    • Show all 11 messages in this topic