There are more and more questions about automobile film foaming on the Internet. Some bubbles appear within a few days after the film is applied, and some bubbles appear several years after the film is applied. What's the matter, what is the reason for the blistering of the automobile film, and how to solve it?

一、汽车贴膜起泡现象

1、 Blistering phenomenon of automobile film

出现起泡现象，通常是这两种情况，一种是汽车贴膜后不久，便出现似气泡、又像水泡一样的白点；另一种情况是，汽车贴膜已经有几年了，膜上开始起大大小小的气泡，特别是在后挡风玻璃处，出现的概率较多。

There are usually two kinds of bubbles. One is that the white spots like bubbles and blisters appear soon after the car is coated; In another case, the automobile film has been applied for several years, and large and small bubbles begin to appear on the film, especially at the rear windshield.

二、汽车膜起泡的原因及处理办法关于上面两种起泡现象的原因不尽相同。

2、 The reasons and treatment methods of automobile film foaming are different for the above two foaming phenomena.

（1）如果是一种情况，贴膜后不久起泡原因主要是：因为汽车贴膜采用的大都是湿贴，而当汽车膜和玻璃之间的水分没赶尽，隔天或一段时间后就会挥发，聚成小的水泡，或水雾泡，一般不大，也不多，像麻点，不会影响正常行驶。通常这种情况，在汽车贴膜施工中是比较常见的，属于正常情况。

(1) If this is the case, the main reason for blistering soon after the film is pasted is that most of the film is wet. When the water between the film and the glass is not exhausted, it will volatilize the next day or after a period of time and gather into small blisters or water mist bubbles, which are generally small and not many, like pockmarks, and will not affect normal driving. Generally, this kind of situation is common in automobile film coating construction, which is a normal situation.

②处理办法主要有：处理办法也简单，正常情况，等个几周，长的话1-2个月，水分挥发后就会自己消失（注：汽车膜隔热效果越来的，时间越长）。

② The main treatment methods are as follows: the treatment method is also simple. Under normal conditions, wait for a few weeks. If it is long, the water will disappear after volatilization (Note: the heat insulation effect of automobile film is more and more, and the longer the time is).

（2）如果是另一种情况，汽车贴膜几年后，发现起泡，这种的八成就是纯气泡，而为会随着时间的加长越来越多，越来越大。

(2) If it is another case, bubbles are found after a few years of automobile coating. 80% of this kind of bubbles are pure bubbles, which will become more and more large with the extension of time.

①原因主要是：原因主要是因为，有毒气体的挥发，一般是劣质膜的表现。这种膜的胶层（或说胶水）里面有苯、醛等元素，经过一段时间的紫外线照射，加之热量的加速（比如后窗的加热丝），就会挥发出甲醛等有毒气体，形成起泡，通常伴随着的表现是，会明显感到汽车有臭味存在。

① The main reason is: the main reason is that the volatilization of toxic gas is generally the performance of inferior membrane. There are benzene, aldehyde and other elements in the adhesive layer (or glue) of this film. After a period of ultraviolet irradiation and heat acceleration (such as the heating wire of the rear window), formaldehyde and other toxic gases will volatilize and form bubbles. Usually, it is accompanied by the obvious smell of the car.

②处理办法：

② Treatment method:

处理办法，网上有各种各样的挽留手段，比如拿针挑破起泡，放出气体，再用刮板刮平：但是，不提倡，这种效果并不能除根，而且放出的气体有毒，是劣质膜的表现：好的处理方式是，撕掉重贴！

Treatment methods: there are various retention methods on the Internet, such as taking a needle to break bubbles, releasing gas, and then scraping with a scraper: however, it is not advocated. This effect can not remove roots, and the released gas is toxic, which is the performance of inferior film: a good treatment method is to tear off and paste again!