| 摘要 |
PURPOSE: A pneumatic tire applying POK cords to a carcass ply is provided to improve the high speed driving stability and the high durability of the pneumatic tire, thereby preventing the safety accidents of vehicles. CONSTITUTION: A pneumatic tire applies POK(polyolefineketone) cords to a carcass ply, and the POK cords have a high thermal stability, a high structural stability and a superior molecular orientation, so that the POK cords are reduced little.
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