辽河石化沥青首铺大众汽车试验场

Core Viewpoint - Liaohe Petrochemical's "Kunlun·Huanxiling" asphalt has been successfully applied in the expansion project of FAW-Volkswagen's automotive testing ground, marking a significant breakthrough in the domestic production of high-end automotive asphalt [1] Group 1: Project Overview - The FAW-Volkswagen testing ground is the largest and most advanced automotive comprehensive testing base in China, designed to simulate extreme global conditions ranging from -40℃ to 60℃, with a single wheel load of 12 tons and over 300 heavy-load curve tests daily [1] - The project imposes stringent requirements on the asphalt, which must resist deformation at high temperatures, maintain crack resistance in low temperatures, and possess strong fatigue resistance to withstand high-frequency impacts [1] Group 2: Technical Achievements - Liaohe Petrochemical's technical team focused on the core needs of the testing ground, conducting repeated sample tests and formula optimizations to precisely match technical indicators [1] - The company showcased a comprehensive process assurance system during the project team's on-site inspection, including the selection of base asphalt, SBS modifier ratio, and production parameter adjustments, along with specialized testing systems for deformation resistance and aging [1] Group 3: Performance Metrics - The third batch of samples submitted by Liaohe Petrochemical achieved key performance breakthroughs, with a softening point stability exceeding 80℃ and an aging extension of 29 cm, which is a 31.8% improvement compared to similar products [1]