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Longer-Lasting Polyurethane Glue
Polyurethane glue is great stuff but has a short shelf life after the bottle is opened. That’s because the humidity in the air inside the bottle causes the glue to slowly cure. I found I can extend the shelf life by squeezing out the air. I keep the air from seeping back into the bottle by adding a spring clamp or two.
| This story originally appeared in American Woodworker July 2004, issue #108.
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