or carbon black, is a dark powdery deposit of unburned fuel residues, usually composed mainly of amorphous carbon. It is a major component of smoke from the combustion of carbon-rich organic fuels in the lack of sufficient oxygen.
Frank Ford says: “Lampblack can be mixed with most any opaque coloring medium i.e. pigmented epoxy. Mix up some cyanoacrylate with lampblack to produce a smooth black filler for inlay in Ebony. Added to hide glue or other wood glue, it will make the glue line black for laminating Ebony.”