Silver, thick, metallic heavy-duty, high temperature, nickel-based anti-seize lubricant paste. It resists galling and corrosion and reduces wear.LOCTITE LB 771 is a silver, thick, metallic heavy-duty, high temperature, nickel-based anti-seize lubricant paste. It resists galling and corrosion and reduces wear in heavy pressure applications. It contains tenacious metals, oils and graphite materials. It is used in applications with an operating range of -65° to +2,400°F (-54°C to +1,315°C).