De Atramentis Document Ink
A permanent and waterproof ink that conforms to ISO 12757 part 2 for archival quality. Suitable for all fountain pens.
- pH: 7,5
- Surface tension: 60 mN/m
- Viscosity: 1,2 mPas
- Heat resistant: Yes
To order, please select "buy" next to the item. Note that you can change an order quantity once an item has been added to your shopping basket.
Note that colour representation cannot be truly accurate due to variations in scanning, the reproduction on your own computer system and variations in pen characteristics. If your pen is a wet writer, the colour will appear much darker and vice-versa.