Permatex Copper Anti-Seize Lubricant Permatex Copper Anti-Seize Lubricant delivers exceptional, high-temperature resilience to seize, corrosion, and galling in the toughest conditions. Enriched with micro-fine copper flakes and fortified with superior rust inhibitors, it ensures enhanced protection and performance under extreme heat and pressure conditions. Features: Prevents seizing, corrosion and galling where high temperature conditions exist Fortified with high quality rust and corrosion inhibitors Provides good electrical conductivity Contains a high percentage of micro-fine copper flakes in a semi-synthetic grease carrier Temperature Range: -30F to 1800F (-34C to 982C)