A substance similar
to Charcoal, Lampblack is the Carbon soot deposited from incomplete burning
of liquid hydrocarbons. It's used in printing inks, toners for xerography,
and laser printers. The black color of rubber tires is due to the use of
lampblack as an ingredient in their vulcanization. In pyrotechnics,
Lampblack is used in stars to produce very long
soft, orange spark trails.
( Material Safety Data Sheet )