Sailor Sei-Boku Pigmented Blue-Black Ink (50ml Bottle)

( 4 Reviews )

Current stock: 0

Sailor Sei-Boku Pigmented Blue-Black fountain pen ink is a high quality choice for the deep rich color and its fast-drying and water resistant properties. This pigmented ink was designed for brush pens, but is safe for use in fountain pens as well. A little extra care is called for, so don't leave it in your pen for weeks on end without cleaning. The pigment particles, if left to dry, can require a little more maintenance to clean out. Sailor Sei-Boku Pigmented Blue-Black fountain pen ink dries on the surface of the paper and is perfect for mixed-media or watercolor artists who use thicker sketch or watercolor paper, but this also works well for artists or others who use fountain pens, with a color wash over top.

The 50ml glass bottle features an internal removable ink reservoir that makes it possible to fill your pen even when the ink runs low. Cap the bottle, turn it upside down, and then turn it right-side up. The holes on the sides of the reservoir allow ink to flow into the reservoir into which a fountain pen nib can be submerged.

Having trouble deciding between colors? Use our Ink Comparison Tool to quickly and easily view different colors side by side.

Volume - 50ml

Bottle Material - Glass

Color Group - Blue-Black

Special Properties - Fast Drying, Water Resistant, Pigmented

4 Reviews

Una May 25th 2018

Top end blue-black pigment ink

Began getting Sailor pigment ink when their regular Jentle ink was too thin for my moleskin notebooks and was feathering on legal pads. This ink runs a little bluer than other blue-blacks, but is also a bit more vibrant than those are. Distinctive, flows very well and doesn't have feathering or soaking problems.

Donald Murray May 24th 2018

Sailor Sei-Boku

"I purchased a sample when visiting your store early in May so I ordered a bottle of Sailor Sei-Boku. I have loaded a Lamy Al-Star and it works great. Your service was first class and packaging outstanding. I appreciated the pastic bag around the Ink. In case it leaks the bag should contain it.


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