What technical requirements define modified asphalt binder for asphalt or bitumen modification?

Modified asphalt binder must meet specific technical requirements, including enhanced viscosity, improved elasticity, and increased resistance to temperature variations. Key parameters include the penetration grade, softening point, and ductility, which ensure optimal performance under varying conditions. Additionally, the binder should exhibit superior adhesion properties and reduced susceptibility to aging and cracking. Compliance with industry standards, such as ASTM or AASHTO specifications, is essential for ensuring the durability and longevity of the modified asphalt in pavement applications.