There’s Vantablack, and then Stuart Semple’s Black 4.0, which absorbs 99.95% of visible light. It took the British artist around 7 years to develop and works on all surfaces. Cleaning is a breeze, as Black 4.0 thins with water.
To maximize Black 4.0, make sure to use a nice soft brush at room temperature and as little paint as possible while spreading it evenly across the surface. Ensuring enough time between coats is critical for a smoother finish, as it can seal porous surfaces with 25% PVA and 75% water. More information here.
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The stuff is so crazy I can’t believe it’s real. But it absolutely is, and it’s mind-blowingly better than anything Kapoor is playing with. It traps more light than any other paint out there. It works a bit like velvet does in that the surface, at a microscopic level, is disordered so light gets trapped in it. We also use special mattifiers that stop reflection,” said Semple to Artnet News.
