How is modified asphalt binders applied in asphalt or bitumen modification processes?

Modified asphalt binders are applied in asphalt or bitumen modification processes through several methods. Typically, the modification involves blending polymer additives, such as SBS or EVA, with the base asphalt at elevated temperatures to achieve a homogeneous mixture. This process enhances the binder’s performance characteristics, such as elasticity, temperature susceptibility, and resistance to aging and deformation. The modified binder is then used in asphalt mixtures for paving, ensuring improved durability and longevity of the pavement.