Coolant, also known as antifreeze, antifreeze, water tank treasure, etc. The main function is to protect the normal and good operation of the engine, circulate in the engine water tank, play an anti-f
The main physical and chemical properties of vehicle gear oil are basically the same as that of engine oil, as well as apparent viscosity, groove point, mechanical impurity injection, storage stabilit
Engine oil, engine oil, English name :Engine oil. The density is about 0.9110³(kg/m³), which can play the role of lubrication and wear reduction, auxiliary cooling and cooling, sealing and leakage pre
Automotive lubricants are divided into mineral lubricants, synthetic lubricants, semi-synthetic lubricants and other categories. Lubricating oil is a mixture of hydrocarbons derived from natural gas a