The copper based anti-seize compounds are very distinctive in appearance and widely recommended in high temperature applications. Use with care as compatibility with other metals and rubber can be tricky.

MOLYSLIP COPASLIP High Temperature Anti-Seize Copper Grease Withstands Extreme Temperature (Up To 1100°C)Protects Against Galling, Seizure Rust and Corrosion...
5.0

Permatex 09128 Copper Anti-Seize Lubricant: Extreme Temperature Protection (Up to 932°C) for Galling, Seizure, Rust, and Corrosion Prevention in Cars & Vans...
5.0