Adhesion testing is a method used to evaluate how well a coating, paint, or adhesive sticks to a surface. This testing is crucial in industries like construction, automotive, and manufacturing, where strong bonds are necessary for durability and performance. Various techniques, such as the cross-hatch test and pull-off test, help determine the adhesion strength and ensure that materials will perform as expected. The results of adhesion testing can guide manufacturers in selecting the right materials and application methods. By understanding adhesion properties, companies can improve product quality and reduce the risk of failures, ultimately leading to safer and more reliable products in the market.