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Now the auto market is full of flowers, and the styles and styles are dazzling. But in the colorful car world, tires are indeed an exception, always a black color. Why are there no colored tires for cars? This starts with the "black" technology used to make tires. Perhaps many people don't know this "dark" history.

China International Tire Fair will share this article with you.

The first tire in the world was made by Dunlop. It is not a black tire as we know it now, but white, which is the natural color of rubber.

Why is the first tire white? This is because the original rubber tire was made using rubber liquid, and the rubber itself is white, of course, the produced tire is white. For example, the Buick tires in 1894 were white without any pattern.

In fact, car tires also underwent a "color revolution" before black tires became popular.

In the 1930s and 1940s, in order to show their wealth and social status, many foreign car owners painted white paint on the outer sidewalls of their tires to distinguish them from others and reflect their individuality. But the biggest disadvantage of this tire beauty method is that after the tire is used for a period of time, the paint will gradually peel off and the sidewall is mottled, which is very unsightly.

Moreover, the overall strength and tear resistance of colored tires are relatively poor, and the aging resistance performance is not good. After a long time of use, the rubber will gradually turn yellow and brown, which affects the aesthetics. Due to poor practical performance, colored tires It is inevitable to be eliminated.

Until 1915, carbon black (also known as soot) became the "queen" additive for making tires. It used carbon elements and hydrocarbons to condense at high temperatures. The black rubber tires processed by this process had unprecedented wear resistance. Standard: Previously, each tire could only run 6000 kilometers, but the life of this tire has soared to more than 100,000 kilometers. Due to the excellent wear resistance of this black tire, it has gradually dominated the tire market ever since.

Sometime later, personalized colored tires appeared again.

In the 1960s, white tires using white rubber appeared on the market again. Such tires have poor strength and tear resistance, poor aging resistance, and more expensive costs. The rubber will slowly turn yellow over time. Brown, losing the original decorative effect.

In the 1980s, developed countries such as Japan, Germany, and the United States reproduced and put in tires with white lettering or ring belts on the sidewalls. Goodyear in the United States even designed a fully transparent tire that can be illuminated at night.

In the 1990s, Michelin cooperated with a French chemical group to replace carbon with silica and achieved good results. Since the inherent color of silica is white, any different coloring agents can be added, and the tires can choose the color arbitrarily.

However, color tires are still unable to compete with the black tires that have been researched and used for decades due to cost, performance, and many other reasons, so they can only be used as decorative tires. In the end, people's actual demand for tires turned to practical black tires.

Why are bicycle tires colored?

As mentioned above, automobiles have high requirements for tire performance, and tire performance must be given priority in design. But bicycles do not have too high requirements in terms of speed or load, so when designing tires, you can add certain ingredients or paint some colors to enhance the dazzling effect.


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