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THE REASON: WHY TIRES ARE BLACK?

THE REASON: WHY TIRES ARE BLACK?

Note : Tyre vs. Tire. For British motorists, the rubber wheel-covering is called a tyre – for the Americans, it’s a tire.

Although the natural color of rubber is milky white, the black color we see is because of carbon black.

Actually, Carbon Black is not added as a coloring agent, it is a filler.

Vulcanized rubber does not have very good wear resistance and hence a tire made of pure vulcanized rubber would wear out soon.

Carbon Black also increases the damping properties of rubber, thus transferring less shock loads to the automobile.

In addition to this Carbon Black is a good conductor of heat and would help conduct heat away from the surface with contact to the road and help maintain a healthy tire temperature.

An added bonus is that the addition of carbon black increases the coefficient of friction with the road surface thus making it safer to drive.


READ: All about tires, what is the meaning of numbers on the Tyre? What is inside the Tyre?

All about tires, what is the meaning of numbers on the Tyre? What is inside the Tyre?

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