The application of grease can be at times very complex, although a little knowledge goes a long way. For example, in construction equipment the environment is harsh with water, dirt, poor seals and heavy loads being common.
In the current business environment, manufacturing equipment is constantly being pushed to its limits, with the expectation of running continuously to keep operations going without interruption.
Zinc has been a key additive constituent in hydraulic oils, as well as the majority of oil types, for decades. It primarily is used as an anti-wear agent or as an antioxidant.