机油的区别（Differences in engine oil）.docVIP

机油的区别（Differences in engine oil） What is the difference between mineral oil and synthetic oil? Mineral oil has semi synthetic oil and total synthetic oil, is currently relatively large difference in prices, mineral oil may be dozens of yuan, the total synthetic oil also cheaper four hundred or five hundred yuan, expensive to thousands of yuan. How do you choose your personal preferences?. From the point of view of use, mineral oil has been fully able to meet the requirements of the use of the car; this is like people usually eat domestic rice, if you want to eat more refined rice in Thailand, of course, good. But the choice should pay attention to two points: oil must use reliable brand; use to achieve recommended standard factory of oil, SAE and API of the American Association of engineers annual index standard, reached the two standards can be used. ...... Because of its base oil, oil can be divided into two kinds of mineral oil and synthetic oil (vegetable oil is not allowed because of its low yield). The two biggest difference lies in the use of synthetic oil temperature is wider, longer period of use, and the cost is higher; the oil film the same requirements, synthetic oil can lower viscosity can be reached, and mineral oil requires a strong relative to the synthetic oil viscosity to achieve such a request. In other words, in the same work environment, synthetic oils with lower viscosity can achieve the purpose of protecting the engine. Similarly, in the same working environment, synthetic oils are much longer than mineral oils, so they are not much more expensive than mineral oils, although they are expensive Oil from the base oil is divided into mineral oil, semi synthetic oil, synthetic oil The brand of mineral oil in petroleum refining mineral oil based, an additive manufacturing, the price comparison can provide protective effect in general, the market 150 yuan is the basic mineral oil. Which was a semi synthetic oil solution between mineral oil and synth