LB 8150 is anti-seize lubricant paste fortified with graphite and extreme pressure (EP) additives. LOCTITE LB 8150 is a silver, aluminum, petroleum-based lubricant and is inert and won't evaporate or harden in extreme heat or cold. It can tolerate high temperatures to +900°C and is suitable for assemblies where such temperatures are possible. aluminum, petroleum-based lubricant paste. Fortified with graphite and extreme pressure (EP) additives. Inert and won't evaporate or harden in extreme heat or cold. Temperature resistant to +900°C.