In the automotive industry, paintwork is much more than just an aesthetic element. They play a decisive role in the protection and durability of vehicle components. Coatings protect against corrosion, weathering and mechanical stress. To ensure that this protective function is maintained even under extreme conditions - such as high temperatures, moisture or mechanical stress - it is essential that the paintwork adheres strongly to the underlying surface.
Adhesion tests are therefore a central component of quality control. They ensure that the paint layer is firmly bonded to the bodywork or other vehicle parts and can withstand external influences such as stone chipping, detachment or cracking. Poor adhesion can not only lead to aesthetic defects, but can also impair corrosion resistance and thus the structural integrity of the components.
Our adhesion tests determine whether your coatings adhere firmly even under the harshest conditions and do not lose their protective function. By using precise test methods, we give you the certainty that your vehicles are optimally protected.
The tests are carried out in accordance with strict industry standards, such as DIN EN ISO 2409 (cross-cut test). This involves mechanically testing the adhesion of the paintwork to ensure that it meets the requirements of the automotive industry. One of the main methods is the cross-cut test, in which adhesion is assessed by scratching a defined grid.
Our tests are used in numerous areas of application. Body parts such as doors, hoods and fenders are tested for paint adhesion, as are interior fittings such as plastic and metal parts. Chassis components that are exposed to particularly high mechanical loads, such as shock absorbers, axles or underbody parts, also benefit from the tests.
To ensure that the tests can be carried out precisely and reliably, the samples must be delivered in a clean and undamaged condition. Shockproof packaging helps to avoid damage during transportation. Detailed information on the coating, such as the coating system, drying method and material composition, is also required. Additional samples for repeat or comparative tests are recommended to maximize the significance of the results.
The tests take into account manufacturer-specific minimum requirements for adhesive strength and define maximum permissible peeling or cracking after mechanical stress. Our test conditions simulate real-life application scenarios to ensure that your coatings can withstand a wide range of environmental conditions.
Contact us to find out more about our test procedures!
