cross hatch tape coatings adhesion

Coating Adhesion Testing using Knife/Tape Methods

Introduction Adhesion is an important physical characteristic of applied coating films and systems, and testing is frequently used as an indicator to whether an adequate bond exists between the substrate and primer (first coat) and/or between coats in multiple coat applications.  Adhesion testing may be a requirement of a coating specification, or may be used for coating system performance qualification in a laboratory.  Adhesion testing is also a valuable indicator for determining the integrity of coating systems that have been...