National Starch Product 34-4622
This ULTRA MELT adhesive provides excellent adhesion to difficult board stock, including recycled and high performance liners. Because of its superior heat stability, this product does not char like traditional hot melts. The result is lower equipment maintenance costs and longer equipment life.


Normal Corrugated
Normal corrugated has a rough surface that adhesive can stick to.

High performance liner is comparatively smooth, but ULTRA-MELT with its strong adhesion, grabs hold.
National Starch Product 34-250A
This COOL LOK adhesive is the result of an advanced technology from National Starch which allows users to operate hot melt units at 250° as opposed to the standard 350°. This product is suitable for all standard case/carton sealing methods. With this COOL LOK, you can expect:
  • Decreased Charring - No more char build up in hoses,pumps and pots. That translates into lower maintenance costs and longer equipment life.
  • Lower Energy Consumption - Decrease energy consumption by as much as 33% when running temperatures drop from 350° to 250°.
  • A Safer Working Environment -Lower temperature and faster cooling greatly reduce the chance of burns. COOL BIND also emits fewer fumes and odors than traditional EVAs.
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