An adhesive is a substance (coating) activated by pressure, heat or UV and is used to hold a film attached to a surface by adhering to the surfaces. Adhesive may also be referred to using the term „glue“. Adhesives can be classified into repositionable, standard and reinforced according to their tack.
![Adhesion](https://tml.lt/wp-content/uploads/2024/01/Adhesion-cohesion.jpg)