Oil

The oil temperature is the temperature of the engine oil.

Engine oil not only reduces friction inside the engine, but also perfo...

Viscosity is a basic characteristic of engine oil. The higher an oil's...

The anti-friction effect is one of the most important functions of eng...

Cooling effect is one function of engine oil. The temperature inside ...

Sealing effect is one function of engine oil. In engines, although th...

SAE (Society of Automotive Engineers) viscosity grades are a classific...

Viscosity index is an index that indicates the viscosity of engine oil...

Multi-grade is one type of engine oil grade. Multi-grade engine oils ...

API (American Petroleum Institute) service categories classify oil qua...

Additives are substances included in engine oils and have the followin...