Snake oil too?? High Temp Coatings

[d houlton x0710]

Robert Humphris wrote:
> 
> >I considered that stuff... looks good, but how do you apply it to the
> >inside?
> 
> You can spray the stuff down your headers with a touch up gun pressuried
> at 50psi.  If you are really going to go for it, do what the people who
> import the stuff into the uk do.  Sand/Grit blast the item, and spray
> the CBC coating and bake ( CBC2 for Stainless, CBC3 for other steel ),
> then buff the headers with wire wool ( some wool on a wire coat hanger
> down the insides of the pipes ).  Then finish off by spaying black satin
> or blue ice or what ever colour you want ( they do purple ) on top of
> this... apparently you can put your hand on the header while the engine
> is running... but don't lick it though will you?
> 

Would this stuff work on the turbine housing of a turbo?  Seems like  
it would if it works on headers, but I've seen pictures with the turbine
red hot while I've never seen headers glow quite so brightly.  What is
the temp limit for these coatings?

--Dan