Epoxylite E 5403 hi-temp epoxy is a heat-cured, two-component system consisting of a viscous liquid resin and a finely divided powder hardener. Maintains excellent electrical and physical properties to at least 260 °C / 500 °F. Bonding and sealing of electrical and electronic components requiring resistance to high temperatures. - Withstands temperatures in excess of 316 °C / 600 °F for short periods. Excellent adhesion to metals, ceramics and most plastics. Resistant to acids, alkalis and solvents.