Source really depends upon where you are located. An excellent source in the US and Germany is Kremer Pigments: http://www.kremer-pigmente.de/kwmullet said:Edward,
Where does someone get photo-quality beeswax, Carnuba wax and Dammar/Damar? What is Damar?
So mastic and amber are not archival. They yellow big time. And the art work they cover? Don't confuse the aging (or patinazation) of the varnish or even its deteriorization with the effects on the underlying art. When these varnishes are used to protect art from the environment (and they do a very good job) they do indeed need to be "replaced", should the painting be intended to survive many milenia, every fractional century or so. The current fashion among conservators is to use reversable synthetic resins designed to mimic the look of the traditional varnish. The pigments used in these painting NEED the varnish not just for aesthetics but also, like the clear coat of modern auto paints, for protection.Michael Mutmansky said:I suggest you be very careful with the use of damar varnish. It will yellow over time, and as far as I'm concerned, a noticeable yellowing should indicate that it is not truly an archival product.
and the slogan of that site is: "Dammar and Wax do not yellow."Here's a reference to an oil painting website with a test for yellowing of various oil media and additives (go most of the way down the page).
http://www.mauigateway.com/~donjusko/oilyellow.htm
The information should not be directly applied to photographic prints, but I think you can get some anecdotal information from the tests done on this site.
If they used Damar it would not have yellowed in 5 years. The test page you suggested does not show yellowing after 5 years. The reason people varnish fibre papered photographs, I might suggest, is less for protection from the environments (toners have been the choice) but for gloss and texture. Some people, in fact, use Mastic in their photo varnishes FOR the yellowing effect they know from "classic paintings". Amber too is used for its special glow associated, among others, with Russian Ikons. In the last century most photographers that wanted to varnish for high gloss probably anyway went to a Zapon-- and Acrylics as they became available-- varnish. Paper yellows. Cellulose yellows so also cellulose based varnishes will yellow but I'd argue a Zapon coated photograph will survive just as well/long as one without and its patina is part and parcel of the work. The photograph can well survive without it and so a decay of the varnish should not lead to anything much more than a change of the work over time. This too can, and perhaps should, be quite intentional. We are crossing the border into the conservators domain but one needs to distinguish between works intended to "ripen" with age or with the art work as seen upon it completion.Michael Mutmansky said:Ed,
Damar may help protect oils from the environment, but I suspect that some photographer-types would object to a noticeable yellowing after only five years if it is applied to a photograph. An untreated and properly processed photograph will last better than five years with no coating before any color shift will occur.
Once the wax is applied will it hold up if I dry mount the print?Michael Mutmansky said:Gamblin CWM is mostly beeswax and a refined mineral spirit. I think you may find that it is a little too thick for easy application directly (at least I find that to be the case on pt/pd prints). I suggest you get a small bottle of Gamblin OMS also, so you can cut the CWM with the same solvent used in the product. It cuts in fairly easily, and then the wax is much easier to spread in a thin and even coat.
I use a stiff stippling brush for that work, and then switch to a shoe polish brush once evenly applied, and then if I want a higher sheen, will finish with a clean cotton towel for a buffing.
The more coats you put on, the higher the gloss becomes.
As for longevity, you might want to look at the permanence of encaustic painting for a general sense of the archival qualities of beeswax.
---Michael
The British Museum uses it (good enough for me).Sean said:I'm not familiar with 'waxing' prints, what are the pros & cons of this? Is this considered archival? Seems like the wax would have issues over a long period of time?
Unfortunately, I don't read German.rjr said:.
Franz copied the whole chapter of the book, giving some recipes. You may read it at http://phototec.de/phorum_neu/read.php?f=3&i=46540&t=46416
This is scary but I'll try it on one of my (many) marginal prints and report back.ceratto said:The down side to this is that it can't be done until the print is mounted as the print will curl again due to the moisture in the steam...
Louis Nargi said:I know were talking about waxing prints for a better look but I read somewhere about waxing the negative. Is there an advantage to as far as improving the print quality.
Mehmet,Mehmet Kismet said:Hi,
What about the polyurethane product" Polyshield"?
http://hoodfinishing.com/hydrocote.htm
Best
Mehmet Kismet
Will there be any reason to wax the whole surface over just the exposed print area?
Renaissance Wax for digital prints?
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