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Adhesive Troubleshooting Guide from the Top Custom PSA Formulators

Permanent and Removable Adhesives Problem Solving

Adhesive Troubleshooting Guide from the Top Custom PSA FormulatorsPermanent and removable adhesives are an integral part of the process associated with product development and manufacturing. Possessing a thoroughly reliable custom formulated adhesive can make the fabrication process easy and turnkey, but running into issues with adhesive application can stop your production dead in its tracks. Heartland Adhesives, the best producers of label adhesives, polybag adhesives, and transfer tape adhesives, are committed to providing our customers with the solutions they need to meet their production schedules and solve their adhesion issues.

Heartland Adhesives is proud to offer an adhesive troubleshooting guide for our customers. Below you will find detailed explanations and solutions for issues commonly associated with pressure sensitive, permanent, and hot melt adhesives. Whether your adhesives aren’t bonding correctly, you’re experiencing adhesive “stringing” problems, or your adhesive isn’t melting, Heartland Adhesives’ troubleshooting guide will provide the solution.

Contact the adhesives problem solving experts at Heartland Adhesives today for more information.

 

Pressure Sensitive and Hot Melt Adhesive Application Issue Solutions

Problem Cause Solution
Adhesive Thin Cooked Adhesive
  1. Purge System and Replenish
  2. Low Use - Turn Off/Down System
Bond Strengths Low Too Little Adhesive
  1. Increase Quantity
  Contamination
  1. Check for Silicone Contamination
  2. Check for Slip Additives in Film
Adhesive Stringing from Nozzle Temperature Too Low
  1. Allow Adequate Melt Time
  2. Increase Nozzle/Hose Temperature
Adhesive Bond is "Stringy"
Cooked Adhesive
  1.  Purge System and Replenish
  Substrate Contains Plasticizers
  1.  Use Non-Plasticized Substrate
Adhesive "Not Melting"
Heater Element Out
  1. Check Hot Melt System
  Adhesive Added When Tank is Empty
  1. Maintain Half-Filled Tank

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Troubleshooting Guide for Extended Open Time Melts

Problem Cause Solution
Adhesive Bond Fails Fails from Substrate(s)
  1. Adhesive Too Cool - Increase Temp
  2. Increase Amount of Adhesive
  Adhesive Cohesively Splits (On Both Sides)
  1. Reduce Temperature
  2. Reduce Amount of Adhesive
  Substrate Changed
  1. Send New Substrates to Heartland for Evaluation
Adhesive Stringing from Nozzle Temperature Too Low
  1. Allow Adequate Melt Time
  2. Increase Nozzle/Hose Temperature
Adhesive Dark Cooked Adhesive
  1. Purge System and Replenish
  2. Low Use - Turn Off/Down System

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