Eggshells Rebooting Rubber: How Microparticles May Revolutionize Tires for Wet Weather Performance

Eggshells: The Unlikely New Material Revolutionizing Tire Tech?

Imagine the thrill of walking on eggshells, but this time, it’s not a euphemism for being cautious – it’s literally using eggshells in tires. Yes, you read that right. Stellantis, a leading automotive manufacturer, has filed a patent to turn eggshells into a game-changing material for tire production. But, you might wonder, why eggs and not something else?

The Benefits of Eggshell tires

There are several compelling reasons behind this innovative idea. For starters, eggshells are a naturally recurring material that can be sourced anywhere. In fact, hen eggs, for example, are composed of more than 90% calcium carbonate, which can be extracted as calcium oxide. By removing shells from landfills, we reduce waste, and using bio-waste to replace chemical-derived materials means less pollution for our planet – and our insides.

Improved Tire Performance

The calcium oxide extracted from eggshells can also enhance tire performance. The material can improve tire rolling resistance and grip in wet conditions. According to Stellantis, CaO-infused tires would improve fuel efficiency by 3% and rolling resistance by 20% compared to standard tires made with carbon black.

The Future of Tires

While Stellantis isn’t discarding the idea of tires altogether, the company is rethinking the material composition of these essential vehicle components. Why rubber? Well, natural rubber comes from trees, which purify the air and provide shade, while synthetic materials like carbon black are derived from soot – not exactly the most appealing or healthy option.

The Challenges Ahead

While the concept is promising, there are hurdles to overcome. The extraction process involves exposing the eggshells to high temperatures, decomposing them into calcium oxide, and then milling the dust into a usable form. Further details on manufacturing processes, costs, and the long-term effects on tire performance and aesthetics are still unclear.

What do you think about this novel approach to tire technology? Share your thoughts with us at tips@thedrive.com!