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What is the purpose of cord
Time:
2020-03-07
In addition to the cords made of chemical fibers, there are cotton cords and steel cords. Cotton cord was first used in tires. It had good adhesion to rubber.
In addition to the cords made of chemical fibers, there are cotton cords and steel cords. Cotton cord was first used in tires. It had good adhesion to rubber. The 1920s to 1930s were its prosperous period. However, due to the use of long-staple high-quality cotton, it has low strength, slow heat dissipation and poor heat resistance.
Since the advent of viscose cord in 1926, it has been gradually replaced. The tire carcass made of steel cord has high strength, low rolling loss, stable size, impact resistance, excellent wear resistance and heat resistance, but poor fatigue resistance and is not easy to adhere to rubber. It is mainly used in radial truck tires, High-strength conveyor belts, high-pressure pipes, etc.
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