Multipurpose copper grease NLGI 2. Temperature resistance up to 1100°C. Designed for lubricating and protecting elements operating under high thermal load. Creates a durable sealing layer. that protects against corrosion. friction and moisture. Suitable for lubricating bolts and nuts. threaded connections. spark plugs and pins. Eliminates squeaking and allows the lubricated elements to be disassembled quickly and safely later. Do not use on aluminum components.