really great lab markers, but not as ethanol resistant as some people say...and
definitely not resistant to hexanes! but I love it for labelling tubes
anyway..the labels are a nice dark black, not like transparent grey sharpie
markings.
This pen/marker lives up to it's name of being able to write on just about any
surface. Comparable to a Sharpie, i found that it wrote smoother and was easier
to make fine lines thanks to the extra fine tip. I love this pen and would
highly recommend it.
I gave it to my boyfriend to test on lab tubes, and he said that it's
perfect....then didn't give it back. So now I have to order more before I can
try it out for myself!
Bought it on a recommendation that it is good for laboratory use. It
unfortunately cannot write on slightly wet tubes, the ink just doesn't stick,
which sucks if you forget to label your things right away! Otherwise, the extra
fine tip is perfect for writing on really tiny microcentrifuge tubes, glassware,
tapes, and other plastics (as long as they are dry).
It also does not survive liquid autoclaving that well...
Ethanol resistant, not completely immune to it. On rougher surfaces it holds
really well. Smooth surfaces like petri dish or eppendorf tube side, not so
well.
After the ink has dried properly, it's difficult to get it "accidentally" wiped
out. You might smear gloves on the ink if working with a lot of ethanol.
I think it's one of the better ones if not the best lab markers I've used in a
decade.
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