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Pneumatic tires are manufactured according to relatively standardized processes and machinery, in around 455 tire factories in the world. With over 1 billion tires manufactured worldwide annually, the tire industry is a major consumer of natural rubber.[1] Tire factories start with bulk raw materials such as synthetic rubber (60% -70% of total rubber in the tire industry[2][3]), carbon black, and chemicals and produce numerous specialized components that are assembled and cured.
The tire is an assembly of numerous components that are built up on a drum and then cured in a press under heat and pressure. Heat facilitates a polymerization reaction that crosslinks rubber monomers to create long elastic molecules.
- ^ "Rubber, Natural – Chemical Economics Handbook (CEH)". IHS Markit. Retrieved July 21, 2017.
- ^ "An unknown object: the tire – Materials". Michelin The tire digest. Retrieved July 21, 2017.
- ^ "What's the Difference Between Natural and Synthetic Rubber for Tires?". Kal Tire. July 21, 2017. Retrieved July 21, 2017.