Are Puncture-Proof Tires Really Puncture-Proof?

1 Answers
McMaggie
07/30/25 8:30am
Puncture-proof tires can indeed prevent punctures. Puncture-proof tires have an additional layer of soft adhesive inside the standard tire. This soft adhesive has stronger contraction properties, so when a nail penetrates the tire, the inner adhesive layer tightly grips it, preventing air leakage. The principle of puncture-proof tires is as follows: An automatic CNC glue-spraying device evenly applies MPN rubber material to the inner wall of the tire, forming a 3 to 5 mm protective coating. When sharp objects with a diameter of less than 6 mm pierce the tire, they are quickly enveloped by the MPN rubber coating, preventing air leakage. Puncture-proof tires are also known as self-sealing tires. They feature a layer of high-molecular composite material on the inner wall of the tubeless tire, which is in a soft, semi-solid gel state. When the tire is punctured by sharp objects, this high-molecular material rapidly repairs the hole, ensuring no air leakage and maintaining safe vehicle operation. The benefits of puncture-proof tires include: They provide puncture and leak prevention, as well as bulletproof and blowout cushioning effects. They also reduce noise generated between the tire and the road, minimize vibrations during high-speed driving, and enhance overall driving comfort.
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