I present to test the ink Graf von Faber-Castell Cobalt Blue with a deep shade of blue. The ink feels dry, but well it writes. It is strongly saturated and can dirty the plunger. Too bad also that as long dries up, because it's very successful color.
Manufacturer: Graf von Faber-Castell
Series, colour: Cobalt Blue
Pen: Waterman Hemisphere, nib "F"
Paper: Image Volume (80 g / m2)
Flow rate: good
Bleed through: unnoticeable
Saturation: very good
A drop of ink smeared with a nib
The ink smudged with a cotton pad
Ink drying time
Ink drops on a handkerchief
Sample text in an Oxford notebook A5 (90 g / m2)
Sample letters in a Rhodia notebook No 16 (90 g / m2)