What is a synthetic lubricating oil Synthetic oil refers to the preparation of chemical methods and additive compounds, it can be used as lubricating oil, it includes the synthesis of esters, poly alpha olefin (PAO), polyether oil and so on, its composition is different from petroleum hydrocarbon oil;And semi synthetic oil is made of s...

Engine lubricant oil cooling, lubrication, cleaning, sealing has four big functions, its to ensure the normal work of engine play a crucial role.With the increase of engine working time, engine oil due to the high temperature oxidation and wear of mechanical parts, fuel steam corrosion and the influence of such factors as contamination....