Look at the number of layers of Chaoyang tire vacuum tire, and the number of layers is marked at the sidewall trademark.

Methods of distinguishing tire layers:

1. It can be seen from the sidewall that there are several grades, such as 6PR, 8PR, 10PR, etc. Classification of automobile tires;

2. If you want to know how many layers a tire is divided into, you can look at the English text description on the sidewall, including the number of layers on the crown and sidewall. Generally, an automobile tire has 1 or 2 layers;

3. Tire grade is the concept of strength. The grade of 1 represents the strength of 1 cotton thread. The higher the grade, the greater the strength. Level: Level refers to the nominal number of plies in the tire rubber layer, which is not completely consistent with the actual number of plies, and is an important indicator of tire strength. Grades are marked in Chinese, such as 12; Sign in English, such as "degree 14p". R ",that is, 14.