Excellent EP and Anti-Wear Properties Strong Resistance to Oxidation Protects Against Rust and Corrosion Excellent Demulsibility Compatibility with Seal Materials AMALIE Hypoid Gear Multi-Purpose GL-5 80W-90 Gear Oil is a premium gear lubricant designed for both light and heavy-duty commercial axles, and final drives. Features include excellent thermal and oxidation stability, compatibility with seal materials, water separation, foam suppression, and superior storage stability.