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Make Gouache Ink Waterproof?


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Hello, folks


I am new to all of this; I do love my fountain pens, and especially the MB 149 by wife gave me....what a writing experience!


So, my hobby (and it is new to me) is medieval illumination/calligraphy.....I would like to mix me up some dewaxed shellac flakes (I used to be a woodworker until Rheumatoid Arthritis sidelined me.)


Anyhow, I had the idea of being able to make lines w gouache that would not be altered by subsequent layers of watercolor/gouache.


Given that background, does anyone know of a reasonable starting point for a 'cut' of shellac? A cut is weight in shellac dividing by volume, in pounds/gallon.


Isn't this how ink in made waterproof?


Thanks for considering my question.



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Probably you already know this: do not use shellac in a fountain pen! It will most likely clog it, possibly permanently (alcohol dissolves shellac, I don't know what it does to pens).


For dip pens or brushes, I found this link that has some ancient ink recipes using shellac: https://evanlindquist.com/othermedia/oldinkrecipes.html


There are also commercial shellac inks in various shades, for example https://www.dickblick.com/products/sennelier-shellac-ink/

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Gouache ink is basically opaque watercolor ink (when I took a watercolor painting class in college we used gouache). I don't know as how I'd put that in a fountain pen to begin with, and will echo what other people said about shellac (which is of course the problem with India ink as well.

In theory I could put India ink into an Osmiroid I bought at an estate sale last year (the case includes a gadget to remove the nib and feed for thorough cleaning) but I haven't tried it. There is such a thing as "safe" FP "India ink" (I have a bottle of some cheap Chinese ink and a bottle of Pellikan Fount India) but I wouldn't use it for long term and would flush it fairly often (the same way I would flush an iron gall ink or a pigmented ink more frequently than a normal ink).

The commercial inks that WalterC mentioned are pretty much for dip pens only.

Ruth Morrisson aka inkstainedruth

"It's very nice, but frankly, when I signed that list for a P-51, what I had in mind was a fountain pen."

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If you only need to make a part of the painted surface resistant to subsequent applications of paint you can coat those parts with masking fluid or gum arabic...

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  • 3 weeks later...

And to your ink, you can add Noodler's Ghost Blue.

Fountain pens are my preferred COLOR DELIVERY SYSTEM (in part because crayons melt in Las Vegas).

Want to get a special letter / gift from me, then create a Ghostly Avatar

Ink comparisons: The Great PPS Comparison 366 Inks in 2016

Check out inks sorted by color: Blue Purple Brown Red Green Dark Green Orange Black Pinks Yellows Blue-Blacks Grey/Gray UVInks Turquoise/Teal MURKY

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