Hello,

We use Paraloid B-72 to label our artifacts. With each bottle, we find that we are unable to use the last 1/4 because it has become too tacky and almost solid. I believe that I heard you could add acetone to the B-72 to make it usable again. Has anyone done this and have it work as it always
did? How much acetone do you add? I really appreciate any information anyone has on this topic.

Thank you,

Rebecca Justinger
Registrar
The Buffalo History Museum
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