Patching

Patching in the corrosion protection system is the repair of damaged areas before the top coat is applied. This process is crucial to ensure the long-term integrity and protection of the corrosion protection system.

First, the affected areas are carefully inspected to identify damage such as scratches, cracks or flaking in the existing coating. These areas are then thoroughly cleaned to remove all traces of corrosion, dirt and old coating. This can be done by brushing, sanding or chemical cleaning methods, depending on the nature and extent of the damage.

After cleaning, an anti-corrosion primer is applied to the prepared areas. This primer serves to protect the metallic surface and at the same time create a bonding bridge for the subsequent top coat. The primer often contains special anti-corrosion additives that improve the protective properties and support the adhesion of the top coat to the substrate.

The selection of the correct primer depends on various factors, including the corrosion protection system used, the environmental influences and the materials of the substrate to be protected. It is important to ensure that the primer is compatible with the existing coating and the planned topcoat to achieve optimum results.

Patching and using a corrosion protection primer will ensure that damaged areas in the corrosion protection system are effectively repaired and protected. This helps to extend the overall life and performance of the coating and meet corrosion protection requirements.