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Combining Acrylic over graphiteApproveRejectUn-ApproveSubscribeUn-Unsubscribe

Question asked 2021-02-11 10:35:28 ... Most recent comment 2021-03-16 17:54:32
Acrylic Drawing Materials Paint Additives Paint Mediums Pencil Varnishes

​Hello dear people from Mitra!

I have a question regarding mixed media basically. 

If i have a fully rendered graphite pencil drawing on thick watercolor paper (with all details and deep shadows done, it has a lot of graphite on it) and i want to paint over that with acrylics , what is the best and safe way to do that? 

Is it enough to just put a layer of a clear Matte Medium and than to paint over that with acrylics? 

Or is it safer to first put a coat of Pastel, Charcoal Fixative ( it is Talens Fixative and it contains :  Colourless resins, ethanol ) and i think it is workable fixative,   and then to paint with acrylics and to use a acrylic matte medium in it? 

Thank you in advance and i hope you are all ok and safe during these times.


Kindest regards

Marko Karadjinovic

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Moderator Answer (brian baade)

[2021-02-11 12:42:49]

Applying acrylic dispersion medium is perfectly appropriate but you may smear the graphite. I would think that applying a thin coating of a fixative would help mitigate this. If it were me, I would use one that is known to contain an acrylic resin making it eminently compatible. I believe that Lascaux Fixativ & Varnish and Krylon Crystal Clear Coating are still composed of B-72 in solvent. You could then apply the acrylic dispersion medium if you wish but this would probably not be necessary.

The rest of your procedure sounds fine

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User Comment

[2021-02-11 13:23:52]

Thank you Brian ! The only problem is that i cant get this fixative with B 72 in my country... Is it chemicaly ok and safe  to put an acrylic matte medium over this graphite pencil drawing? I am not so concerned about smearing it , as i am about will it be chemicaly ok, so that acrylic will stick to it and the drawing will last? 

Thank you once more​

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Moderator Answer (mirjam hintz)

[2021-02-15 06:53:47]


Hello Marko,
In our tests we found that solvent-born coatings tent to have better adhesion on graphite than water-born acrylic mediums. Graphite is also used as a dry lubricant and on heavy graphite application you would want to apply a coating that doesn't just sit on top, but really penetrates through the graphite layer. Solvent based fixatives or varnishes penetrate better in general. If your drawing would consist only of a few lines, a water based acrylic medium or paint should be able to 'bridge' over that, but a heavy graphite application should be sprayed with a fixative or varnish first. 

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User Comment

[2021-02-15 10:40:45]

Thank you Mirjam! I just have one more question. Since i cant get any fixatives with B 72 component,as Brian adviced above, is it ok to use the Charcoal Pastel Concentrated fixative from Talens ( It contains​ Colourless resins, ethanol ) ? And then to work over that with acrylics? Or if it is not chemicaly ok and compatible , is it ok to put this Concentrated fixative and then to use Gouache maybe..? 

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[2021-03-16 17:54:32]

Mattew Snowden: Acrylic Magic

https://usaartnews.com/events/fine-art/mattew-snowden-acrylic-magic

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