Tire manufacturing process.Step 1: mix of raw materials (Mixing) -Natural rubber is an important component in the production of tires, the rubber is flexible, resistant to impact and tensile strength is good, but there are constraints on natural rubber is an ideal temperature range of-40 used in up to 70° c, and cannot tolerate certain types of oil. -Synthetic rubber is a product that has been developed to correct the fault property over natural rubber. Synthetic rubber can be classified into two groups: Group 1 qualifying tyre heat resistance better than natural rubber, but eating a sticky property and flexibility than natural rubber. This group, including synthetic rubber (Styrene-Butadiene Rubber), SRB, BR (Polybutadiene Rubber) Group 2 resistant rubber with oil and heat resistant bacteria. Synthetic rubber in this group, such as CR (Chloroprene Rubber Neoprebe), NBR (Acrylomitrile Butadiene Rubber (uilites))
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