A non-convertible coating is one that does not undergo a chemical change or reaction as it cures. Chlorinated rubber coatings exemplify this category because they cure through a physical drying process rather than a chemical reaction. This allows them to retain their original properties and revert back to their pre-cure state when dissolved in suitable solvents.
In contrast, polyurethane, acrylic, and epoxy coatings cure through chemical reactions, which means they undergo significant changes in their chemical structure and properties during the curing process. This reaction is integral to the performance characteristics of these coatings, such as adhesion, hardness, and resistance to chemicals and weathering. Understanding the difference between convertible and non-convertible coatings is crucial for selecting the appropriate coating material for various applications, ensuring optimal performance and longevity.