Can you patch a tire sidewall
The answer is No.
The tire sidewall is a relatively weak part of the tire. Compared with the tire tread, the sidewall is more difficult to repair and requires higher safety.
The tire sidewall is mainly composed of rubber and cord layer. The cord layer is woven from fiber cords, and its function is to provide support and toughness for the tire. Compared with the tire tread, the sidewall is relatively thin, and during the driving process of the vehicle, the sidewall will continue to bend, stretch and deform with the rotation of the tire and the ups and downs of the road.
For example, when the car turns, the weight of the car body will cause the tire sidewall to be significantly deformed due to lateral pressure. This frequent deformation requires the sidewall to have good elasticity and toughness to ensure the normal operation of the tire.
When the sidewall is damaged, the cord layer is likely to be damaged. Once the cord layer is damaged, it will destroy the overall structural strength of the tire. Even if the external rubber is repaired, the damaged cord layer cannot be restored to its original state.
From a safety perspective, the traffic regulations and automotive industry standards of many countries and regions have strict regulations on the safety of tires. In the case of severe damage to the tire sidewall, it is generally required to replace the tire, and it is not allowed to continue to use after repair.
This is because if a tire blows out due to a problem with the repaired sidewall, it will not only cause damage to the vehicle itself, but also pose a serious threat to the life safety of the driver and passengers. It may also cause traffic accidents and endanger the safety of other road users.