PPG Industries Inc.’s PPG Sigmafast 278 epoxy primer has a long re-coating window and an unlimited maximum over-coating interval, provided the surface is free. Its composition is 80 percent solids and 20 percent solvents, which yields low emissions of VOCs. PPG Sigmafast 278 epoxy primer has fast drying time, which enables transportation soon after application. It has flexible curing at a wide range of temperatures, and a large effective temperature range, which allows application in all seasons. Its broad application thickness range enables high dry-film thickness in one coat.
