Hmmm... Tamiya makes a Titanium color paint -- X-31.
I have used that same mix in a Tamiya Auto model -- a ferrari I think -- for those orangish rubber suspension boots.
If that's what it's for, it does end up looking very much like the actual boots -- I saw some at a car show.
www.naplak.com/modeling ... a free site for modelers
www.scalehobby.com/forum/index.php ... a nice Modeling Forum