For polishing, many car owners have heard about it, but for those who don't know the car, there are many related questions and they are easy to be confused. Then we will answer the question mentioned by many netizens: must the car be polished after painting? Is it OK not to polish the car after painting?

一般汽车表面喷过油漆之后，可能会出现粗粒、流痕、反白、砂纸痕、橘皮等漆膜表面的细小缺陷，为了弥补这些缺陷，通常在喷涂后使用汽车抛光研磨剂，来进行研磨抛光处理，这样可以提高漆膜的镜面效果，达到平滑、光亮、艳丽的要求。所以说汽车喷漆后还是有必要做一下抛光的。

Generally, after spraying paint on the surface of automobile, there may be small defects on the surface of paint film, such as coarse grain, flow mark, whiteness, sandpaper mark, orange peel, etc. in order to make up for these defects, automobile polishing abrasives are usually used after spraying, so as to improve the mirror effect of the paint film and achieve the requirements of smooth, bright and gorgeous. So it is necessary to polish the car after painting.

抛光的利与弊相信很多车主都有讨论过，事实上频繁的抛光会让车漆越抛越薄，甚有可能出现抛穿的可能，所以业内人士提醒，抛光在一辆车的一生中，更好不要超过5次。

The advantages and disadvantages of polishing are believed to have been discussed by many car owners. In fact, frequent polishing will make the paint thinner and thinner, and may even cause the possibility of polishing. Therefore, insiders remind that it is better not to polish more than five times in the life of a car.

那么什么情况可以起抛光呢？，新车不需要抛光。一般使用了3-4年的汽车，车漆已经失去了新车的光泽，而且多了很多细微划痕，那么这时可以通过抛光的方式来使车漆焕然一新。

So what can be polished? First of all, new cars don't need polishing. Generally used for 3-4 years, the car paint has lost the luster of the new car, and there are many small scratches, then you can polish the car paint to a new look.

抛光必须谨记步骤，要清洗整辆车，避免颗粒灰尘在抛光中造成新划痕。接着在抛光前用水砂纸对车漆进行打磨，注意不能磨穿漆层，轻轻打磨即可。

The polishing process must be kept in mind. First of all, the whole vehicle should be cleaned to avoid new scratches caused by particle dust during polishing. Then polish the car paint with sandpaper before polishing. Pay attention not to wear through the paint layer, but to polish it gently.

然后采用研磨机加上研磨膏进行抛光研磨，这个步骤非常关键，需要经验丰富的师傅来操作。研磨抛光结束后，擦净车身，立即用光油蜡对抛光部位进行擦拭，使车漆恢复光亮。

Then use grinding machine and grinding paste to polish and grind. This step is very important and requires experienced master to operate. After grinding and polishing, wipe the car body, and immediately wipe the polished parts with polish wax to restore the brightness of the paint.