旨在解决国内汽车超速超载而引发轮胎质量综合症的技术攻关项目，日前在山东成山橡胶集团圆满完成。该集团采用全新的结构、配方设计，改进了原材料，使轮胎抗超速、抗超载性能显著提高，高速试验达到11Ohm／h，耐久试验突破140／J‘时，实际行驶里程高出同规格产品3万公里以上 The technology research project aimed at solving the problem of tire quality syndrome caused by the overspeed and overload of domestic automobiles has recently been successfully completed by Shandong Chengshan Rubber Group. The group adopted a new structure and formula design, improved raw materials, significantly improved tire anti-overspeed, anti-overload performance, high-speed test reached 11Ohm/h, durability test exceeded 140/J’, the actual mileage is higher than the same specification product 3 More than 10,000 kilometers