It is amazing stuff. You will find a cult following for it on any particular brand forum... Everyone on the MINI forum blacked out their chrome trim, and everyone on the FJ forum uses it on all the silver trim pieces to match the bumpers.
I had done the wheels on my MINI with it and it lasted through everything, even some winter.
http://i13.photobucket.com/albums/a299/iwashmycar/Mini/IMG_0006.jpg
http://i13.photobucket.com/albums/a299/iwashmycar/Mini/0630102.jpg
It helped that the barrels of these particular wheels were already black painted.