One universal truth about producing perfect bound books is that hot glue should be handled with extreme caution. Reaching temperatures of 350-400 degrees, it will burn your skin on contact. It’s messy too, which makes it challenging to change a glue pot neatly and safely.
In a previous Bindery Success blog article we discussed problems that can arise when trying to feed thin, porous signatures (usually 4 pages) on saddle stitcher inserters or perfect binder gatherers. Details are here if you want to give it a quick review. Today we have one more quick fix on the subject sent to us by Todd Summers of Nittany Valley Offset.