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Being a creature of habit with many interests and a huge amount of curiosity on the one hand, but having never enough time and a streak of laziness on the other, I started my very basic lightfastness tests in May 2016 after having read that not all inks are created equal. So since then at the end or the beginning of each month I just pull out all my filled pens and two sheets of paper and write the basic information about each combination down in one or two lines. One sheets gets tucked away in the back of my current notebook or calendar, the other sheet I position on my south-east facing window, with the ink "looking" outside, of course. Whenever a pen gets filled during that month, I hopefully remember my little project and just add the new ink to both sheets, noting the data of the addition. Those lines will not be exposed to light for the full month but oftentimes these pens carry over to the next month and get their full "sun-time" then. In an ideal world I would take the window sheet off after a month, glue it next to the one in my notebook and have both look pretty much the same, but ... Since my post here created some interest (and I was asked so nicely I could not say no ), I post my fading test results for July and August (we had a decent heat wave and lots of sun in Berlin last month) here, too, and for the future invite you to share yours. Now that I know someone will actually see my very unscientific scribbling, I hopefully remember to write more legibly in the future. Sheets from July: 1) Akkerman Ceruleum Blauw 2) Colorverse Crystal Planet 3) DeAtramentis Hellblau 4) Diamine 150th Anniversary Blue Black 5) Diamine 150th Anniversary Regency Black 6) Diamine 150th Anniversary Blue Velvet 7) Diamine Aqua Blue -- almost entirely faded 8) Diamine Asa Blue 9) Diamine Beau Blue -- almost invisible 10) Diamine Blue Black 11) Diamine China Blue 12) Diamine Denim 13) Diamine Eclipse 14) Diamine Florida Blue -- almost gone 15) Diamine Flower Aster -- completely gone 16) Diamine Guitar Pelham Blue (vollständig ergraut, leicht verblasst) ------- there is a gap between 15) and 16) where the paper is perforated ---------- 17) Diamine Imperial Blue -- strongly faded 18) Diamine Indigo 19) Diamine Kensington Blue 20) Diamine Majestic Blue 26) Diamine Presidential Blue 28) Diamine Sargasso Sea 31) Diamine Skull & Roses 37) Lamy Königsblau / Royal Blue 47) Sailor Manyo Haha +1) Pelikan 4001 Königsblau / Royal Blue +30) Robert Oster Fire & Ice +40) Pilot(-Namiki cartridge) Blue Black
Greetings friends! I was asked to create a separate post in which I will share my tests on fadeout of ink from light. I did my first test two years ago(2018), but there was not much ink. This is the original test sheet: These are sheets after half a year tested outdoors but without direct sunlight. Conclusion: First sheet: It seems to me that Pelikan Edelstein Topaz, Noodlers Midway Blue, Noodlers Ottoman Azure, Sheaffer Torquise did the best with the task of lightfastness. At the same time, Noodlers Midway Blue practically did not lose color at all - i.e. is the winner in lightfastness in this group. Second sheet: The second sheet "tête à tête", which placed black, orange and brown. And as it turned out, of all inks, the favorites in terms of lightfastness turned out to be precisely the warm, orange and brown shades, which practically did not lose their pigment . Regarding blacks, one cannot say that they have lost their color, because they do not have it, but in fact they are also great save tone and remained, in principle, almost the same black or so . In the second selection J.Herbin Aniversary 1670 Rouge Hematite, Gamma Reds, Diamine Inferno Orange, Diamine Beaver, Noodlers Kiowa Pecan and Noodlers Red-Black look best. There is no favorite here, but J. Herbin 1670, Diamine Inferno, Noodlers Red-Black and Koh-i-Noor Black is practically unchanged. Third sheet: The last sheet: And on the third sheet, I placed predominantly green shades and those ink that I did not have initially, but they appeared with some delay in the samples:). Recently bought the pigment Platinum, Windsor & Newton India ink, Gamma and Chinese india ink also got here. At that time, I still did not have dr. Ph.Martins. As you can see, the green shades did not go far from the blue ones and lost quite a lot in color, and Diamine Ultra Green turned out to be the leader. But I was pleasantly pleased with Platinum Carbon Black and Pigment Sepia Brown inks - the color did not change at all and it pleases because these are my main colors for drawings with fountain pens . Pelikan Fount India pigment ink also showed itself very well, despite the fact that they practically do not reflect light by dry pigment in side lighting, unlike Platinum Carbon Black, which, coupled with the price, makes them very attractive. More detailed photos you can view by the link: https://lenskiy.org/2018/11/fountain-pen-inks-light-resistance-test-2018/