Loctite Silver Anti Seize Stick (20g) - 37617 is a lubricant that prevents seizing, galling, and corrosion on metal-to-metal surfaces. It is formulated with a high concentration of aluminum and graphite to provide superior protection in extreme temperatures up to 1800°F (982°C). It is ideal for applications such as spark plugs, exhaust systems, and other high temperature metal-to-metal contact applications.