Vantablack asorbs 99.96% of visible light. British artist Anish Kapoor is the only artist that can use it.
Composed of vertical nanotubes, the ‘paint’ is tough:
Very high thermal shock resistance - Repeatedly plunging a Vantablack coated substrate into liquid Nitrogen at -196°C and then transferring to a 300°C hot plate in air does not affect its properties.
More about the material here: vantablack