What is the principle of puncture-proof tires?

2 Answers
VanBrielle
08/26/25 3:22am
Puncture-proof tires work by having an inflatable inner tube and an outer tire configured with it. A puncture-proof ring, composed of a metal plate with an arc-shaped cross-section and a rubber layer attached to its surface, is sandwiched between the inner and outer tires. Below is an introduction to puncture-proof tires: 1. Introduction: Puncture-proof tires have a layer of high-molecular composite material (in a soft, solid gel state) attached to the inner wall of the tire. When the tire is punctured by a sharp object, the high-molecular composite material can quickly repair the puncture, ensuring the tire does not leak air and the vehicle can travel safely. 2. Features: They possess characteristics such as being explosion-proof, leak-proof, noise-reducing, and energy-saving. 3. Basic content: When a sharp object like a nail penetrates or is pulled out of the tire, the high-molecular composite material can quickly surround the nail and seal the puncture promptly, achieving an air-tight effect (like a protective shield). Moreover, there is no need for subsequent tire repair or replacement, making it a one-time, permanent solution.
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AnthonyFitz
09/08/25 3:50am
The principle behind puncture-proof tires is actually quite ingenious, relying mainly on two design features: First, the sidewalls are thickened and reinforced with special rubber or composite materials, making them harder and more robust. Even if the tire is punctured by a nail and loses air, it won’t completely collapse and can still support the vehicle for a certain distance, such as around 80 kilometers, which is enough to get you to a repair shop. Second, there’s a self-sealing layer inside, like a sticky glue, that automatically plugs small holes to prevent air leakage. As someone who often drives long distances, I find this design incredibly practical, avoiding dangerous stops on highways. However, the downside might be a slightly stiffer ride, some bumpiness, and slightly higher fuel consumption. Overall, safety comes first, and the extra cost is worth it. When installing, make sure to use professional tools, as sidewall damage is harder to repair, and during maintenance, remember to regularly check the tire pressure.
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