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Much has been written about the potential benefits of UV curable powder coatings, but little about actual the performance of the coatings for commercial applications. This paper presents test data of UV cured powder coatings on MDF. The tests are performed using typical commercial formulas or performed on commercially produced parts in order to present "real-world" comparisons. The paper also presents comparative data for low-temperature cure thermoset powder coatings. The data reveal where UV and low-thermal cure powders may differ for potential end users. As well as coating performance the paper presents test data on the effects of typical process conditions on the MOF substrate with respect to changes in board stability (including dimensional changes, screwpull, machineablilty, etc.). The paper also compares typical commercial process parameters for both UV and low-thermal cure powder coatings as an aid to potential applicators. The paper concludes that for a wide range of applications, UV powders provides performance equal to or better than many thermoset alternatives while maintaining the integrity of the substrate. The process parameters similarly provide advantages for UV powder users.
