Platinum Chou Kuro was developed in pursuit of the ultimate black color ink for fountain pen. The black color is produced when the pigment particles react with the mineral content of the paper as you write. Platinum has produced the best black ink ever in their 104 years since its foundation. Chou Kuro is 46.8% darker than Carbon black and is water and fade resistant. It comes in a glass bottle of 60 ml.

• Pigment-based ink is almost 50% darker than Carbon Black.
• The pigment ink is water resistant, fade resistant, and feather resistant.
• Easy flowing water based pigment ink made by the famous Platinum Co. of Japan
• Water Resistant: Yes
• Ink - 60 ML
  
• Brand Origin: Japan
  
• Type: Inks