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Eric Keith Longo's Blog – January 2026 Archive (1)
Determining Live Ink Sharpie vs Preprint
I had written this out in a thread but thought this information might get more visibility as a blog so I rewrote it for more accuracy. I hope you find it useful.
Why do black and blue Sharpie's "flash" orange?
It is called "bronzing" or "sheening."
A standard Black Sharpie does not use a "pigment" in the traditional sense. It uses organic dyes. Specifically, it relies on a chemical cocktail that mimics black, rather than using a single, stable…
ContinueAdded by Eric Keith Longo on January 22, 2026 at 7:00am — 4 Comments
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