LOCTITE® LB 8104™ is a silicone valve and packing grease suitable for use on equipment in the food processing industry. This product is suitable for lubricating plastic and elastomeric components (e.g. valves and joints in hot and cold water systems). May be used to assist fitting of “O” rings. This product is typically used in applications with an operating range of -40 °C to +200 °C.