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Why Car Tyres Are Always Black Despite Made Of White Rubber - Science Behind It Explained
Why Car Tyres Are Always Black: Whenever you've seen a tyre, it has always been black, regardless of the colour of the vehicle. So, have you ever wondered why tyres are always black despite being made of white rubber? Let us explain the science behind it.
White Tyres
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White Tyres
Many people might not know that about 125 years ago, tyres were used to be white. However, later on, they started being made in black. This is because the white tyres weren’t strong enough, impacting vehicle performance.
Carbon Black
Carbon Black
To make tyres more durable and extend their lifespan, carbon black material was added to the rubber. This made the tyres stronger and increased their lifespan, but it also turned the tyres black.
Performance
Performance
By adding carbon to tyres, they became less prone to overheating and no longer melted in extreme heat. Even in the scorching summer when roads are extremely hot, tyres still perform well.
Carbon Black In Tyres
Carbon Black In Tyres
Tyres heat up in two ways: from friction while driving and from the heat of the road (due to the sun). However, the carbon black material prevents them from melting and ensures that the car's performance is not affected.
Radiations
Radiations
Additionally, the carbon elements in the tyre help protect them from harmful radiation like ultraviolet rays.
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