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Improved in aging properties apex compound of bias tire for turck - bus
Improved in aging properties apex compound of bias tire for turck - bus
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机译:改进的Turck-Bus斜交轮胎胶尖胶的老化性能。
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摘要
PURPOSE: Provided is an apex rubber composition of a bias tire for a truck and a bus, which has improved aging property and low heat generation and can produce a tire excellent in endurance and improves reclaiming performance. CONSTITUTION: The apex rubber composition contains 100pts.wt. of a raw rubber comprising a natural rubber and a SBR rubber in the ratio of 9:1, 35pts.wt. of a carbon black FEF(N550), and 40-50pts.wt. of a carbon black GPF(N660), wherein the carbon black GPF(N660) is used instead of a carbon black SRF(N774) and has an iodine absorption value of 36mg/g and a DBP absorption value of 90ml/100g.
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