Coatings & Linings

Surface Preparation

Proper surface preparation is an essential preliminary step for any coating application. It is false economy to skimp on surface preparation in the belief that the coatings applied will compensate for surface deficiencies. This is especially true of high-performance coating materials.

Effects of Coating on Corrosion and Cathodic Protection

The four basic elements of a corrosion cell are an anode, a cathode, and the metallic and electrolytic pathways between them. Corrosion control can be achieved by eliminating (or reducing) any of these elements. One such method is to modify the electrolytic pathway by introducing a barrier between the threatened metal surface and the corrosive medium (i.e., by applying some kind of coating).

Protective Coatings

Applying an organic or metallic barrier coating between a corrosive environment and the material to be protected is a fundamental method of corrosion control. In fact, coatings and linings represent the most widely used method of protecting most metals.