Lubricant – silicone oil. For use on metal and non-metal surfaces. Suitable as release agent. LOCTITE® LB 8021 is a general purpose, low-viscosity silicone oil used for lubricating metal and non-metal surfaces (e.g. guides, conveyors, cutting knives and plastic components). It may also be used as a release agent in moulds etc. The product is typically used in applications with an operating temperature range of -30 °C to +150 °C (continuous) and -50 °C to +250 °C (peaks) after the complete evaporation of solvents.