Car Undercoats

The primer or undercoat is an essential component of any coating system. The most basic benefit is excellent adhesion to the substrate that is being coated. Different substrates require different types of undercoats to ensure that the coating system will not delaminate. Corrosion resistance is enhanced by using the most appropriate undercoat for the service conditions under which the coating system will operate. Undercoats used in the automotive industry also need to be sandable to provide a smooth and optimum surface to enable the topcoat to look and perform at their best.