coating hardness

Measuring the Hardness of Applied Coatings

Introduction The hardness of a coating material is a relative property that may be interpreted in a variety of ways by different industries that use coating/lining materials.  While hardness testing is frequently used to assess the degree of cure, they can also be used to measure hardness properties formulated into coatings.  The absolute hardness of a coating is not always the ultimate goal of the formulation, and an increase in hardness can be accompanied by brittleness or a decrease in...