Reactamine Joint Seal FC is a 2-component 100% solids, polyurea-based joint sealant that is self-leveling and cures in approximately 30 minutes. It works equally well with asphalt and concrete and protects interior horizontal concrete expansion and control joints from spalling, chipping and breakdown. This product can be applied at temperatures ranging from 0° to 150°F (-18° to 65°C) and possess excellent chemical resistance, water resistance and thermal stability at both high and low temperatures.