Engineered to thrive where ordinary greases fall short, UltraHeat Grease delivers outstanding thermal and mechanical stability—even through rapid temperature swings. Its high-performance formula resists melting, bleeding, discoloration, and separation while performing at continuous temperatures above 650°F (343°C). This NLGI 2 high-temperature grease is NSF H1 registered for incidental food-contact applications and contains no PTFE, PFAS, PFOA, or PFOS. Keep moving mold components protected from friction, wear, and corrosion with the lasting performance of Slide UltraHeat Grease.