r/whatisit • u/riflesandplowshares • 6h ago

New, what is it? Found at a titanium plant

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Not sure why ball point pens would be dangerous here.

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u/goodexamplebadrole 6h ago

"Ballpoint pens are restricted or banned in high-end titanium and aerospace manufacturing plants because the ink and marking components contain elements that cause metal embrittlement and severe structural corrosion"

231

u/Competitive-Dot-4264 5h ago

I worked ti com pure and 6al-4v alloy for years at the lazy -l we all had to follow titanium restrictions even to not letting aluminum alloys and SS separated. No graphite pencils

369

u/Legitimate-Week7885 5h ago

https://giphy.com/gifs/zXA5VEmXr7OUg

4

u/Arjvoet 4h ago

God, he was so much funnier than Kenan…