Isolation coats are usually used to protect paintings where the varnish may be removed later (if it has become dirty; then the varnish can be removed without disturbing the painting underneath). I wonder how likely it is that you will need to remove the layer of varnish at a later date? If it is likely then to be honest I would use an acrylic based layer of colour rather than a water-based dye, work with the Poscas on top, then apply a 2:1 Soft Gel Gloss to water mix as an isolation coat, and then a layer of your final protective coat, which needs to be removable and hard-wearing. I stop short of recommending any specific product because I think you need to seek the advice of a expert in guitar-making who will know what is most suitable for your needs.

Stone, concrete and plaster – best on sealed surfaces and then with a few thin coats of MSA spray varnish. The paint included in these markers is water-soluble, which means that the ink can be diluted to create an amazing gradient effect. With that being said, this process can take time to ensure it dries properly. One handy tip that you can do is use a brush that’s been soaked in water before starting any project. After applying the paint from the marker, trace over it with the set paintbrush. You should do this before the paint from these markers dry. Mix-Up the Markers Paper – All types of paper and cardboard such as tracing paper, photo paper or cardboard. The paint does not bleed through paper. Of course, no product is going to be the best option for all consumers. Nonetheless, these Posca paint pens are certainly a worthwhile investment if you want a versatile paint marker that can help you add some finer details to your artwork or spice up your scrapbooking skills. I strongly believe that any person who’s interested in exploring their artistic side is likely to benefit from purchasing these Posca paint markers. The skull should be much easier since bone is porous unless it has been waxed or varnished. If it is very dry and porous you might want to apply a clear primer first so the paint doesn’t soak in and sit under the surface. Then paint with the posca and when it is dry varnish as above. If you wish the skull to not be shiny then for the last coat of varnish you can use a matt varnish. The first coats should be gloss because a build-up of the matt varnish will usually be cloudy, but one final coat of matt is fine.

Frequently Asked Questions

Paper– offers permanent results for all types of paper and cardboard. This includes photos, tracing paper, and correlated cardboard. The ink in these pens doesn’t bleed through the paper.

Avoid super absorbent paper that will bleed and also soak the paint instantly. If the paper is not coated, at least it should be fine-grained. Visibly coarse paper may begin to pill when you go over it with the wet pens. Binding and Cover If you’ve invested in Posca pens, chances are, the ultimate goal is professional results, and with that is the expectation of permanence. Therefore, it would greatly help if the paper were acid-free for archival purposes.Usually isolation coats are for acrylic based paintings, and not used for layers of water-based colour. I wonder why you want to apply an isolation layer between your layer of dye and the posca pen work – If I understand your intentions correctly I think you can go straight ahead and work with the Poscas over the top of the colour without an isolation coat in-between. I have had reports that Posca scratches off in some situations, so it would need to be varnished. I have been told that some brush-on varnishes smear it a bit. So the first coat of varnish should be a spray, to set it. Then apply a couple more thin coats of a hard, outdoor, UV protecting varnish like Golden MSA.

Since Posca pens’ paint is lightfast, and the paper is acid-free, your masterpiece will always look vibrant. Acid-free paper will not yellow over time from exposure to UV light. Color Considering how expensive the Posca pens are, it would be such a shame to waste precious ink on any paper only to have your artwork ruined at some point. That is why we’ve compiled the best papers for Posca pens in this informative post to help you get the most out of these premium paint pens. Choosing Paper For Posca Pens The texture of the paper is fundamental when choosing paper for Posca pens. Smooth surfaces produce best results with Posca pens hence go for coated paper. Left to right: 0.7mm ultra-fine pin tip, 0.7mm extra-fine bullet tip, 0.9 – 1.3mm fine bullet tip, brush pen tip, 1.8 – 2.5mm medium bullet tip, 8mm chisel tip, 15mm extra-broad tip.As for covers, hardbound covers have more to offer in terms of protection and longevity than paper or fabric covers. The latter, however, makes portability a breeze as they make the book/pad lighter Acid-Free