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Glue Dots P-2000 Hot Melt Purge is used to flush hot melt adhesives from hot melt dispensing equipment. P-2000 is safe for the environment, non-hazardous, and highly effective. Prevents cured hot melt adhesive from seizing up nozzles, applicator wheels, pumps, and hoses. P-2000 is safe to use on food packaging glue lines. 50 lb Box.