久久人人98超碰人人澡 - 亚洲精品无码久久av字幕 - 精品国产免费观看久久久 - 性生生活色欲片性按摩

1. During car painting, the surface of the car may not be cleaned thoroughly, resulting in oil, dust, moisture, etc;

2. The substrate should not be too lubricated, which can also cause poor adhesion of the car paint film;

3. When spraying the primer, if the primer film is too thick or too hard, it will also make it difficult for the paint film to adhere;

4. The baking temperature after car paint spraying is too high, perhaps the baking time is too long or too short;

5. Excessive humidity in the construction environment can also cause large areas of car paint to fall off.

What if the car peels off the paint during an attack? Without a doubt, touch up the paint! Car paint peeling can affect aesthetics, and over time, it will continue to expand. If the metal substrate is exposed and rusts, it should be repaired. During the repair process, it is necessary to pay attention to the treatment of the substrate, polish it rough, and not too lubricating. The baking temperature and time should be paid attention to the construction environment.

Article source: Automotive repair paint http://www.jinliangxincai.com