Sub - Ep 80

But what makes this specific grade so vital for sub-surface operations? 1. Built for the "Extreme" in Extreme Pressure

Whether it's a commercial vessel's transmission or a submarine's primary propulsion gears, lubricants provide the durability and chemical stability needed to stay operational where maintenance is most difficult. EP®-80 Image Generation System | Collins Aerospace - RTX EP 80 SUB

Under Pressure: Why "EP 80" is the Standard for Submarine Gear Protection But what makes this specific grade so vital