How to distinguish synthetic oil and semi synthetic oil
Synthetic oil refers to compounds synthesized by chemical methods, which can be used in lubricating oil. It includes synthetic esters, polyalkenes, polyethers, silicone oil, etc., and its components are different from those of petroleum hydrocarbon oil.
Semi synthetic oil refers to the lubricating oil made by mixing synthetic oil and mineral oil in a certain proportion.
Difference between synthetic oil and semi synthetic oil:
1. Different fluid: the function of oil lubricating oil is to lubricate and clean the engine. It can be divided into three types: mineral oil, synthetic oil and semi synthetic oil. The synthetic oil contains 100% unconventional and high performance fluid. However, the percentage of this kind of high-performance fluid in semi synthetic oil (also known as "blending oil") is relatively small, and it contains traditional mineral oil.
2. Different definitions: total synthetic oil is a high-grade oil in engine oil. It is a kind of lubricating liquid composed of macromolecules, which is made of ethylene and propylene dispersed from gas or natural gas in crude oil by complex chemical reactions such as polymerization and catalysis. Semi synthetic oil, one of the automotive oils, is a semi Synthetic Base Oil.
3. Different characteristics: the total synthetic oil has a good constitution, and its thermal stability, anti-oxidation reaction and anti viscosity change ability are naturally much stronger than that of mineral oil and semi synthetic oil. The purity of semi synthetic oil is very close to that of full synthetic oil, but its cost is slightly higher than that of mineral oil, and it is an ideal transition product from mineral oil to synthetic oil.
Due to its expensive material source, complex synthesis process, high investment and high cost, combined with its special structure, the synthetic oil has excellent properties such as high temperature resistance, low temperature resistance, oxidation resistance and radiation resistance that petroleum hydrocarbon oil can't have, and can be applied to fields where mineral oil can't be applied, such as aerospace, national defense and other fields, with high application value, therefore The price of synthetic oil and semi synthetic oil are generally higher than that of mineral lubricating oil.
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