My-T-Lok? 223 is a single component, medium strength, liquid anaerobic gasket sealant which cures when confined in the absence of air between close fitting metal surfaces. Special Features: Room temperature cure Medium Strength Low Viscosity Resistance to oil and fluids 1. General purpose face sealant product suitable for Sealing Gear box covers 2. Seal rotary compressor heads 3. Oil Sump Cover