Category Archive: Case, Carton and Package Sealing

Why Cartons are a Key Part of a Sustainable Packaging Future

Lending a Helping Hand

It shouldn’t be a surprise to learn that case and carton sealing is an important market sector for Evans Adhesive. Cartons are everywhere!  Many of the products we use every day are packaged, shipped, and stored in some kind of carton. It makes sense that we’d be interested in helping carton …

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How the Right Adhesive Makes Colorful Cardboard Packaging Possible

Colorful corrugated cardboard boxes of all shapes and sizes are a common sight at stores of all types. They’re so common you may never stop to think how they got there in the first place.

The truth is, each of these boxes is the result of a very specific process that requires very specific …

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How Evans Adhesive makes case and carton packaging possible

 

Most consumers interact with some kind of case and carton packaging almost every day without realizing it. This special, versatile kind of packaging brings you your food and drinks, household products, and many other things you use on a regular basis.

But this crucial packaging category wouldn’t be possible without a specific kind …

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An up-close look at a new Metallocene option: ReliaSeal

Previous posts described the problems inherent with char-prone EVA-based adhesives, and outlined the benefits of using a metallocene-based adhesive instead.

Choosing to make the switch from traditional EVA-based hot-melt to metallocene-based hot-melt is a simple, straightforward, and cost-effective solution to eliminate the high cost of lost production time, and reduce the risk of packaging failure …

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A Range of Metallocene Hot-Melt Options Available

Hot-melt adhesives not only offer superior performance properties, but also provide manufacturers with a range of metallocene options and capabilities:

  • High-melt metallocene: Applied at 350 degrees Fahrenheit, this gives production operators a smooth-flowing, consistent, and trouble-free adhesive solution for a wide variety of product operating requirements;

Comparing Costs: Metallocene vs. EVA Hot Melt Adhesive

Previous posts outlined the advantages of metallocene-based adhesives compared to traditional EVA-based hot-melt adhesives, so now we look at costs.

But what about costs?

Metallocene-based hot-melt adhesive may initially cost more than EVA-based hot melt adhesive. However, the costs associated with problems from char-prone EVA can erase any initial cost savings you may have received.

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Key Benefits of Metallocene-Based Adhesives (Part 2)

Hot Melt adhesives based on metallocene boost productivity and economy in packaging operations.

The previous post covered several key advantages of these adhesives compared to traditional EVA-based hot-melt adhesives.

In addition to benefits like no (or very minimal) stringing, eliminating char or gel build up, low (or no) odor, and resistance to extreme heat …

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Key Benefits of Metallocene-Based Adhesives (Part 1)

Metallocene-based hot melt adhesives offer several key advantages compared to traditional EVA-based hot-melt adhesives:

  • Improved mileage: Because metallocene-based adhesives have a lower density than EVA-based adhesives, they can be applied at lower flow rates, often yielding up to 40% reduction in adhesive use compared to EVA.

One Solution to the Problem Of Char: Metallocene-Based Adhesives

In the past few years metallocene-based polymer hot-melt adhesives have become more widely available in the marketplace, and more affordable for use in the packaging field.

Metallocene-based hot melt offers superior performance and char-free operation, because the chemical composition means they are not subject to carbon buildup, gelling, or any other changes over extended high …

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Preventive Maintenance Can’t Solve Char Buildup

Preventive maintenance, which involves systematic monitoring and periodic flushing of the adhesive application system, can substantially reduce the incidence of charring and gelling and extend the life of applicator hoses and extrusion nozzles.

However, the unfortunate fact is that charring is an inherent problem with EVA-based adhesives (see previous posts). No matter how diligent the preventive …

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