The rear windshield of the car is cracked, how to repair the cracks in the windshield of the car

Many car owners have encountered a situation where the rear windshield of the car is cracked. The rear windshield is tempered glass. The tempered glass may self-explode. If the glass is exposed to the high temperature of the sun for a long time, once it encounters cold water, it will burst. . However, general automotive glass will be subjected to explosion-proof treatment before it leaves the factory, except for man-made situations, and rupture is rare. If the windshield is cracked, how to repair it?

The rear windshield of the car is tempered glass. If the rear windshield is cracked, it will not only crack a part like the front windshield laminated glass, but the whole piece will burst and can only be replaced. The rear windshield film can effectively prevent the debris from splashing after the glass is broken. However, for windshield cracks, not all cracks can be repaired. Some small-area and short-length cracks can be repaired, but large-area and long-length cracks cannot be repaired because the strength of the windshield cannot be repaired. Ensure that there may be another explosion, there is a certain safety risk, and it needs to be replaced.

For short cracks, you can use special repair tools to repair, how to repair, the specifics are as follows:

1. Before the repair operation, the cracks need to be cleaned and wiped, and the impurities in the cracks should be cleaned to avoid leaving traces after the repair;

2. Paste the observation plate on the inside of the front glass against the crack, so as to better see the crack;

3. Align the center point of the suction cup base with the position to be repaired and fix it;

4. Align the pressure device to the repair position and fix it on the suction cup base, and after confirming the position is correct, screw out the upper part of the pressure rod;

5. Pour the repair liquid into the top opening of the pressurizing device, and then screw the pressurizing rod back to the base;

6. Wait for the repair liquid to penetrate and solidify, which takes about 10 minutes, then unscrew the pressurizing rod and wait one minute before screwing it back to remove the air inside the crack;

7. Remove the observation board and repair device, and scrape off the remaining repair liquid with a blade.