Pressure-sensitive adhesives (PSAs) contain adhesive components that impart different properties in support of joining or fastening. By evaluating an adhesive’s advantages, disadvantages, and typical uses, you can make the right choice for your application. As previous articles in this series have explained, you also need to perform some preliminary steps and learn about peel adhesion, tack, and shear.
There are four main categories of pressure-sensitive adhesives:
- Natural rubber
- Synthetic rubber
There are also different adhesives within each category. For example, there isn’t just one type of synthetic rubber adhesive.