Polyurethane Hot Melt Adhesives: What You Need To Know

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When deciding what kind of adhesive to use for your manufacturing, packaging and labeling needs, you may consider a moisture-curing polyurethane hot melt (PUR) adhesive. With their high bond strength, polyurethane hot melts can be an attractive option for many different kinds of adhesive applications. However, polyurethane hot melts are not without their disadvantages as well. Let’s take a closer look at the pros and cons of using polyurethane hot melts for your particular adhesive needs. Continue reading

Bonding Foams With Hot Melt: Possible Or Impossible?

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Foam substrates provide a level of protection that other standard packaging materials don’t, offering a buffer between the product and the hazards it may encounter during the packaging, shipping and delivery process, and ensuring it arrives intact to the end user. However, when you’re using hot melt equipment to work with foam substrates, finding the right adhesive for your needs can be tricky. Thankfully, by making informed adhesive choices, you’ll be able to effectively use hot melts even when you’re working with foam. Here’s how: Continue reading

What You Need to Know about Adhesive Systems for Mailings and Postal Packaging

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The United States Postal Service has specific guidelines for folded mailers that must be followed by commercial senders. These standards, designed to prevent mailers from opening at the edges and jamming high-speed mail processing equipment, dictate that all folded mailers must be attached at three points. The traditional approach to doing this has been to use wafer seals that wrap around the edge of the material, a technique known as tabbing. However, tabbing with wafer seals is slow, costly and inconvenient, but fortunately, better options exist for sealing your mailers in accordance with the Postal Service’s regulations.

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Adhesives and Adhesive Systems for Wine Packaging

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When it comes to winery packaging, the name of the game is using an adhesive that is strong, efficient and aesthetically pleasing. Wineries use adhesives and adhesive systems in a number of different ways including case erecting and sealing, bottle labeling, wax seals, and palletizing. Let’s take a closer look at each of these specific adhesive applications.

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Anatomy of an Automatic Hot Melt System Used in Packaging

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hotmelt-systemconfigWhat does the typical automatic hot melt system used in packaging consist of?

Easy; one hot melt tank, one or more flexible heated hosesautomatic hot melt guns, nozzles, solenoids and pattern controls.

To determining the  correct configuration of the hot melt packaging systems you must first answer the following questions:

    1. What patterns are required to seal your package?
  1. How much hot melt will you use per hour?
  2. How far will the tank be positioned from the applicators?
  3. How fast will the packaging line run?
  4. What hot melt will you use.

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