![](https://www.valoremchemicals.com.au/wp-content/uploads/2024/12/API-GL-5.png)
๐ ๏ธThe Lubricant Lab: API GL-5 Specification – Critical Tests for Automotive Gear Oils ๐ ๏ธ
The API GL-5 specification, established by the American Petroleum Institute, sets a performance benchmark for gear oils used in hypoid gears, commonly found in automotive