LOCTITE LIOFOL CS 7420

• High mechanical stability
• Good release lacquer compatibility
• Low foaming at high press speeds
• Good adhesion to difficult to wet surfaces like coex PP
  

LOCTITE LIOFOL CS 7420 can be applied to paper, glassine and treated and untreated coextruded polypropylene films for snack food packaging applications. LOCTITE LIOFOL CS 7420 has been found to be compatible with release lacquers, but release lacquer compatibility should be verified by lab testing prior to use.

LOCTITE LIOFOL CS 7420 must be well stirred before use. It may be applied as supplied. If dilution is needed, add small amounts of water.

LOCTITE LIOFOL CS 7420 may be applied by roller coater or direct pattern gravure systems at high speeds.

Application Weight

LOCTITE LIOFOL CS 7420 recommended dry coating weights are 3.0-3.5 lb/ream. Lower coat weights may be used, but seal values will decrease accordingly, and this needs to be fully evaluated by the converter.

Drying Conditions

For optimum results, substrates coated with LOCTITE LIOFOL CS 7420 must be thoroughly dried. An ultimate web temp of 150°F or greater is recommended.

Sealing Conditions

LOCTITE LIOFOL CS 7420 requires 40 PSI jaw pressure for best seals. Good seals with adhesive transfer will result at room temperature. Additional heat will improve seals.

Seal Strength

LOCTITE LIOFOL CS 7420 will form excellent bonds when subjected to sufficient pressure. 400 gpi or higher seal values should result when dyne level is >38 dynes.

Clean Up

Wet cold seal coatings should be cleaned before they dry using cold water containing soap, detergent or ammonia. Alcohol or acetate may be needed if coating is dried.