Tips for Better Perfect Binding
To help you pick the perfect binder for your in-plant, and get the best performance out of it, we consulted the folks who know this technology the best.
• Some binders have a timer that can be programmed to start up the system prior to the start of a shift to eliminate having to wait as the glue heats up to operating temperature. —Harry Nguyen, Duplo USA
Hot Melt or PUR?
• A polyurethane reactive (PUR) closed-loop gearing pump system with nozzle-based applicator ensures even application of the PUR adhesive. Open tank or roller-based systems expose the PUR to the environment, reducing the life cycle of the glue. At the end of the run or the day you will need to empty the pot for cleaning. In contrast, a nozzle-based system precisely extrudes the required amount of PUR to the substrate. At the end of the day, the nozzle is sealed with wax or grease. —Steve Calov, Heidelberg
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