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Hot Melt System Cleaning and Purging

Guides for cleaning hot melt systems, purging PUR and shutting a melter down so char, gel and cured PUR stay out of the tank.

Updated November 3, 2026

Step-by-step cleaning of melt tanks, hoses and nozzles with a hot melt system cleaner.

Purge routine for shift end, weekends and changeovers so PUR does not cure in the tank.

How to apply, handle, clean up and store reactive (PUR) hot melt adhesive.

What causes char and gel in a melter, and how to clean it out and prevent it.

Need an adhesive or a cleaner?