An ultraviolet curable coating composition particularly adapted for providing water impermeable abrasive resistant coatings on low temperature degradable electronic components comprising a liquid mixture of an acrylated cresol novolac epoxy oligomer, a multifunctional acrylated urethane oligomer, a hydroxyalkyl methacrylate monomer, a bicyclic monofunctional acrylate monomer, a photoinitiator and a calcined cobalt alumina pigment.