Digital BW, The Print

Thanks for pointing that out. I have been participating into advocating the pure Carbon approach since two years and finally fade tests are proving that right. The chemistry of carbon is quite well known and other arts forms also confirmed its longevity.
Too bad that my Carbon-Gelatine approach has been left out of the Aardenburg test system as it was judged too proprietary for common usage. That combines pure carbon ink with the extra protection of gelatine coating. I am doing my own "south windows" fading test and the black patch has not moved a bit in almost one year. And the sun in Southern Italy is pretty hot.

  Mantinieri

http://www.mantinieri.com