Loctite 555336 Copper Anti-Seize Lubricant Brush Top, 8-oz. A premium quality copper anti-seize and thread lubricant that may be used to prevent seizing, corrosion and galling where high temperature conditions exist Temperature range: -30 F to 1800 F Provides good electrical conductivity Typical applications include spark plug threads installed in aluminum, exhaust manifold bolts, engine, bolts, thermostat housing, fuel filter fittings, oxygen sensors and battery cable connections Formulated for severe environments