An overview of the inks within this review series is available here. Hand on heart, I have never seen an ink dry as quickly as this one; this comes at a price though. When the ink leaves the nib it is immediately absorbed by the paper and transferred to the back side. In the process of this, while it may not exactly feather, the line width certainly spreads so that nib sizes are no longer true to size. It is quite a nice colour and it feels lubricated while you are writing.
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Bleed Through: This ink is an aggressive bleeder.
Show Through: The deep penetration as well as the deep colour of this ink make the backsides of even Rhodia unusable.
Saturation: Average saturation.
Water Resistance: 100% waterproof.
Drying Time: Extremely fast dry time, 5 seconds using an EF nib on Rhodia. Dry time is almost instant on absorbent papers.
Flow: Higher than average flow. Higher than average lubrication.
Cleaning: Easy to clean. Just a thorough flushing required.
Colour Make Up
The colour is only the cerulean pigment.
Similar Inks (Images Courtesy of Goulet Pens)
Neither of the above "similar inks" are waterproof and they both look more luminous than the Document ink.
This ink is such an aggressive bleeder that I would guess that most people would only use it for its art purposes. If you are a left handed writer who is plagued by smudged writing you may want to give it a try but there are many "quick dry" inks available from Noodler's and Private Reserve that are designed to serve this purpose too.
Other Reviews For This Ink
I reached out to Goulet Pens and asked if they would be willing to supply samples of the complete line of De Atramentis Document Inks. While they were out of stock in the Black and Brown variants, they kindly provided samples of the rest of this line to me free of charge. I do not feel that my opinions of this ink have been affected by receiving the sample free of charge.