several years back there was an article where someone methodically tried several compounds to restore yellowed plastics (IIRC it was the fire suppressant in the plastic that caused the discoloration)
person put a lot of work into finding a solution. Wish I could find the article. It was a great read - cleverness, hardwork and the scientific method.
person put a lot of work into finding a solution. Wish I could find the article. It was a great read - cleverness, hardwork and the scientific method.