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Pressure Sensitive Adhesives

Pressure Sensitive Adhesives, also known as PSAs, are an easy solution for when a customer needs to attach their Milcut part to another substrate. The best way to describe what pressure sensitive adhesives are, is to think of them as a peel and stick solution, similar to what one would do with a sticker. You pull off of the liner to expose the adhesive which you in turn use to stick the part to your product. As a 3M® licensed distributor, there are a variety of pressure sensitive adhesives that Milcut offers and each has different applications that they should be used for.  We carry all types of PSA’s including acrylic, rubber, and silicone based to name a few.  Depending on your application, certain PSA’s may or may not work because they all have different characteristics that they excel in. 

Acrylic PSA’s are typically the “workhorse” of PSA’s and are a very good general use PSA.  Temperature ranges are normally between -40°F and 250°F and demonstrate good peel and shear properties to most substrates.  You can find these in most general applications adhering to wet paint or bare metal surfaces. 
Rubber based PSA’s are generally used when low cost is a factor and extreme temperature ranges are avoidable.  This may be a PSA to use in an indoor application that stays around room temperature.  You find many of these low cost rubber based PSA’s on the inexpensive foam stripping that can be purchased at a local hardware store.

Silicone PSA’s are used where high temperatures are needed.  Most silicone based PSA’s can operate up to the 400°F range.  They are usually incorporated in tandem with higher temperature substrates like silicone rubber or foam.  Many of these examples can be found in engine seal applications or oven seal applications. 
In most cases, it is also very important for us to know what your product is sticking to.  Sometimes there may be instances where you will need to adhere to a difficult substrate like certain paints or plastics.  In these cases, we can recommend using a PSA that has properties that will allow it to perform better on low surface energy substrates (LSE).

There may be certain times where the product we are manufacturing for you needs to have more rigidity.  This could be when applying thin foam items.  In this case, having a PSA with a carrier will assist with making the product more robust.  A carrier can be a certain thickness of a film that “carries” the PSA.  When this is not needed, a free film or non-carrier based PSA will be more than adequate to do the job. 
Finally, application of your PSA is critical to gaining the performance you want to see.  Pressure sensitive is the operative word here.  Applying good pressure to the substrate is critical to achieving a good long term bond.  Also, the temperature the PSA is applied at or the temperature of the substrate is applying to makes a huge impact on long term performance.  The last critical component of long term performance on your PSA’s is making sure the substrate you are sticking to is clean of debris.  We have included some basic steps to help you with proper adhesion. You can download this PDF by clicking on the blue button below.

If you would like to stick it to your competition with pressure sensitive adhesives, give Milcut a call today at 262-783-3300, or email us at
info@milcut.com
 

How to apply PSA
Here is a short video showcasing how to remove the liner paper from your parts.












































































Milcut Inc.
N50 W13400 Overview Dr.
Menomonee Falls, WI 53051
262-783-3300
info@milcut.com
www.milcut.com
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