What materials are in a tire?
Over 200 raw materials are needed to manufacture a tire:
- Elastomers (natural and synthetic rubber)
- Reinforcing fillers (carbon black and silica)
- Plasticizers (resins, oils)
- Chemicals (sulfur)
- Metal reinforcements (wires, bead wires)
- Textile reinforcements (rayon, aramid, nylon, polyester)
The materials of modern pneumatic tires are synthetic rubber, natural rubber, fabric and wire, along with carbon black and other chemical compounds. They consist of a tread and a body. The tread provides traction while the body provides containment for a quantity of compressed air.
- History. Hankook Tire was established by Jae Hun Chung's grandfather in 1941 as the Chosun Tire Company and was renamed to Hankook Tire Manufacturing in 1968. The word "Hankook" itself resembles Korea in Korean (literally meaning Korean tires).
- Main Tire Functions. The carcass protects the inner tube inflated with high-pressure air and supports the vehicle load. Its thick rubber layer, which is attached to the part of the tire that contacts the road, can withstand exterior damage or wear.
- A radial tire (more properly, a radial-ply tire) is a particular design of vehicular tire. In this design, the cord plies are arranged at 90 degrees to the direction of travel, or radially (from the center of the tire).
When it came to automobile tires, I assumed they were born on cars. Then I visited Michelin's rubber forest in Bahia, Brazil. Located in a coastal area of the southern Bahia state, 120 miles from the city of Salvador, it spans 22,000 acres, half of which are planted with rubber trees, which they call hevea.
- Hevea brasiliensis is a species of rubberwood that is native to rainforests in the Amazon region of South America, including Brazil, Venezuela, Ecuador, Colombia, Peru, and Bolivia. These trees are generally found in low-altitude moist forests, wetlands, riparian zones, forest gaps, and disturbed areas.
- Erasers have a rubbery consistency and come in a variety of shapes, sizes and colours. Some pencils have an eraser on one end. Less expensive erasers are made from synthetic rubber and synthetic soy-based gum, but more expensive or specialized erasers are vinyl, plastic, or gum-like materials.
- About 70 per cent of natural latex is used for tires. Other products made of natural rubber are e.g. mattresses, condoms, shoe soles, hot water bottles, balloons, rubber boots and seal rings. Natural rubber can be substituted by synthetic rubber for some applications.
The Goodyear tires we tested were built in Canada, Chile, Germany, and the U.S. Michelin tires were manufactured in Italy, Spain, and the U.S., but none came from France. And the tires we tested from Italian tire maker Pirelli were made in Mexico and Russia.
- In fact, there are only two genuine American brands: Goodyear and Cooper. The largest foreign tire companies with plants in the US include Michelin, Pirelli, Continental, Bridgestone, and Yokohama. However, to make sure you buy USA tires, you should make sure they were made in the USA-based plants.
- As of 1 September 2008, Michelin is again the world's largest tyre manufacturer after spending two years as number two behind Bridgestone. Michelin produces tyres in France, Poland, Spain, Germany, the USA, the UK, Canada, Brazil, Thailand, Japan, Italy and several other countries.
- Stephen Leu, assistant manager, brand publishing-digital for Nitto, noted that while the G2 will be made both in Japan and in the White, Ga., passenger and light truck tire plant of Nitto Tire's parent company Toyo Tire North America Inc., the Exo will be “100-percent made in the U.S.” in the Georgia factory.
Updated: 28th September 2018