Crumb rubber, a recycled material sourced from discarded tires, is a popular modifier for bitumen. When incorporated into bitumen, crumb rubber enhances its
properties by increasing elasticity and flexibility. This modification leads to a more resilient pavement capable of enduring the stresses of heavy traffic, temperature
variations, and environmental challenges.
Crumb rubber improves bitumen’s resistance to rutting and low temperature cracking. Additionally, crumb rubber-modified asphalt has improved noise reduction
properties, making it beneficial for urban areas where traffic noise is a concern.
An important sustainability advantage of using crumb rubber in asphalt is its role in recycling old tires. This process helps reduce landfill waste and supports a circular
economy.