How Many Layers of Polyester in the Tread Are Good?

1 Answers
PaulLee
07/30/25 5:50am
For small cars, 2 layers of polyester in the tread are quite good. Here is the relevant introduction: 1. Cord material: The cord materials of tires include cotton, rayon, nylon, steel wire, and more. The nominal number of cord layers is based on cotton cord. For example, a 10-ply-rated tire may have either 10 layers of cotton cord, 8 layers of rayon cord, or 6 layers of nylon cord. Since 8 layers of rayon or 6 layers of nylon perform the same as 10 layers of cotton cord, they are all called "10-ply," with the same load-bearing capacity. 2. Tire specifications: Specifications are the marking data for the geometric parameters and physical properties of tires. Tire specifications are commonly represented by a set of numbers, where the first number indicates the tire section width, and the next number indicates the rim diameter, both in inches.
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