Jing Ji Wang·2025-10-13 09:18Core Viewpoint - The successful application of "Kunlun·Huanxiling" asphalt in the renovation of Chang'an Avenue demonstrates the technological strength and brand commitment of China National Petroleum Corporation (CNPC) through the use of 100% domestically produced high-end asphalt products [1][2]. Group 1: Product Performance - "Kunlun·Huanxiling" asphalt features five outstanding characteristics: non-sticky wheels, high load resistance, rutting resistance, aging resistance, and odorless properties, which enhance construction efficiency and ensure long-term stability under heavy traffic and temperature variations [2]. - The product's excellent aging resistance extends the lifespan of the pavement, while its environmentally friendly nature ensures comfort for construction sites and surrounding areas [2]. Group 2: Research and Development - The development of "Kunlun·Huanxiling" asphalt involved a multi-year, interdisciplinary collaborative research effort, addressing technical challenges related to the stable dispersion of high proportions of SBS modifiers in traditional low-grade asphalt [1][2]. - The research team proposed the "composite modification of elastomers" theory, leading to the successful development of high-viscosity and high-elasticity modified asphalt, achieving domestic substitution [1]. Group 3: Implementation and Logistics - CNPC's comprehensive approach includes efficient coordination among various units, ensuring timely completion of the project within a limited night construction window [1][3]. - The logistics support system, including dedicated pipelines for raw material transportation and a specialized logistics line for Chang'an Avenue, has been established to ensure high-quality application of the asphalt on-site [3]. Group 4: Strategic Importance - The successful implementation of "Kunlun·Huanxiling" asphalt aligns with China's innovation-driven development strategy, showcasing CNPC's commitment to tackling key core technologies and promoting material localization [2]. - The company aims to continue demonstrating its innovative achievements and responsibility in the high-end materials sector through ongoing projects using "Kunlun" brand asphalt [3].