什么是全合成机油

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什么是全合成机油   　　合成用官方的解释是：通过化学反应并透过人为控制下达到预期分子形态，这个过程就叫合成。我们知道机油最大的组成部分就是基础油了，按照规格等级来划分，一共可以分为五类。在这五类油当中，一二三类基础油称之为矿物油，只有四类五类油可以称为合成油。这其中五类基础油为多元醇酯(POE)，四类基础油为—聚α烯烃(PAO)。所以说最简单的理解就是;用四类和五类基础油调配的机油不外加矿物油勾兑的都可以称之为全合成机油。   　　全合成机油有什么好处   　　首先矿物油在炼油时会有提不干净的石蜡和沥青成分，用这样的基础油做机油，就会在发动机内部产生积炭和油泥，其实汽油燃烧产生积炭的情况可远比机油少多了。发动机内部大部分污垢都是由于机油产生的。我们在一些机油广告中经常能看到很多合成机油都会打出“高清洁能力”的招牌，的确合成油是不会产生这些污垢的，自燃清洁效果也好的多。同时全合成机油中会加入各种添加剂，这些添加剂主要体现在良好的耐磨性，更好的润滑性和更强的温度适应性上，所以说全合成机油的各方面性能都强于矿物油。   　　看了上面的文章您一定迫切想知道，到底市面上哪些机油是四类和五类油，哪些又是矿物油。别着急，接着往下看。   　　如何分辨基础油   　　我们先从性能最好的说起，五类油(以下简称酯类油)。酯类油的性能是所有润滑油中最好的了。大约是在二战期间德国人为了解决坦克在严寒地区启动问题而研发的，它有着极好的性能，在这里由于篇幅原因我们不能为大家详细介绍。不过在下期文章中，我们会专门来介绍这种高性能机油。在市场中如RED LINE全系列，MOTUL的300V和福斯的GT1系列都是由它构成的。四类油当中名气最大的当属美孚一号了，其他的如福斯超级合成等也都属于四类油。

灰壳、长城J600/J700 、奥吉娜给力全合成都说是PAO的。

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