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What is the number of polyester layers in the tire crown?

1Answers

Natasha

07/29/2025, 04:01:46 AM

The number of polyester layers in the tire crown refers to the nominal number of tire cord layers. Here is some relevant information about tires: 1. Number of tire layers: Generally, you can check the number of tire layers by observing the sidewall specifications and dimensions of the car tire. For example, if you see a number like 12PR, it means the tire has 12 layers. 2. Manufacturing materials: Most tire materials are high molecular polymers, and their molecular structure changes gradually due to oxidation, which is the main cause of tire aging.

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