interesting 'how-to wiki"!
my 2-3 cents: I didn't know it was do-able or safe to sand any of the "coatings" applied to CF, I assumed they all were "resin" so integral to the strength of the final composite.
How do you know what to remove and what you dare NOT remove (ie: when to stop sanding)?
I don't know the Bob Smith brand of epoxy but I swear I have bought another brand in exactly the same squeeze bottles before, with the same graphics even, but not by that name...could be just my brain playing tricks (again).
My own rule of thumb is to use the slowest cure epoxy that works ("logic" being that slow curing is stronger than fast) so my go-to has always been for 30- or 90-minute cure, but (wouldn't ya know?) that is getting impossible to find at any Hardware or (what passes for) Hobby Shops, these days.
Have to order online...