Choosing The Right Adhesive: Part 1

Updated: Jul 29

In the world of woodworking, there is a wide variety of materials that can be used with any number of tools. Different projects have different requirements. From the physical dimensions of the project itself to the aesthetic choices of colors and finishes, there are lots of decisions that have to be made. In this upcoming series of blog posts, I want to zero in on one decision in particular: Choosing the correct adhesive.

EVA vs. PUR

At Collins Supply, we stock a variety of both EVA and PUR hot melt adhesives for different applications. The EVA (ethylene-vinyl acetate) variety is a popular choice for woodworkers because of its flexibility and dependability. Depending on the exact formulation, an EVA adhesive will maintain its bond in temperatures from -40 degrees Fahrenheit to 160 F.

EVA: Filled and Unfilled

Most of the EVA adhesives we carry are known as "filled" adhesives because of their chemical composition. In a filled adhesive, minerals are added to help create an easier to use and more consistent formula. This formula covers a wide range of uses and applications for both PVC and Wood edge banding.




Filled:

Jowat 288.60 - Natural Jowat 288.61 - White Jowat 288.62 - Brown Jowat 288.63 - Black

The Unfilled hot melt formula is produced without any additional minerals but the end product is more dynamic and produces a much tighter bond in a shorter period of time. Unfilled EVA is used in smaller amounts, thus resulting in a lighter glue line and a higher production yield. Unfilled EVA is recommended for the more experienced user.

Unfilled:

Jowat 280.90 - Clear

PUR

PUR hot melt is significantly stronger than other traditional hot melt adhesives. Its chemical composition allows for the glue to utilize the moisture in the surrounding air to create a quick but durable bond. REMEMBER: Bonds created with EVA are repeatable but PUR bonds are irreversible.

Jowat 608.01


Next Up: Cartridges vs. Pellets









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