Platinum Chou Kuro fountain pen ink is the blackest ink ever created from Platinum in its 104-year history. Platinum Chou Kuro ink is blacker than black, and 46.8% darker than Platinum's famous Carbon Black.
by M.R. Badillo
Platinum Chou Kuro fountain pen ink is the blackest ink ever created from Platinum in its 104-year history. Platinum Chou Kuro ink is blacker than black, and 46.8% darker than Platinum's famous Carbon Black.