Graco Inc.

Tank-Free Delivery System 

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The Benefits of Melt-On-Demand Technology

Most hot melt glue systems are inefficient (and costly to maintain) because they process adhesive with a heated tank. This process creates temperature fluctuations and inconsistency with the adhesive - creating unnecessary downtime. Operator safety is compromised due to close proximity with molten adhesive.

Without a heated tank, InvisiPac Tank-Free hot melt glue systems utilize a melt-on-demand process - heating only the amount of hot melt adhesive material necessary. With this "first in, first out" approach, any charring and nozzle blocking is eliminated. Adhesive and maintenance costs are significantly reduced while improving productivity.

See the difference between "Tank"/"Tank-Less" and genuine "Tank-Free" systems:

InvisiPac Tank-Free Melter

InvisiPac Tank-Free Melter

  • Heats to operating temperature in less than 10 minutes 
  • “First in, first out" melting provides continuous flow of adhesive
  • Melt-on-demand process maintains adhesive integrity
  • Eliminates plugged nozzles and adhesive char
  • Removes operator exposure to burn hazards
Nordson Tanks

"Tank" and "Tank-Less" Systems

  • Slowly heats to operating temperature (up to 45 minutes)
  • Large quantities of adhesive kept at high temperatures for a long time
  • Degrades adhesive integrity
  • Creates adhesive char and causes plugged nozzles
  • Facilitates thermal shock (temperature fluctuations) when refilling adhesive
  • Exposes operators to burn hazards

 


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