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

Asphalt modified racing requires specific technical standards for asphalt or bitumen modification to ensure optimal performance. Key requirements include the use of polymer-modified asphalt (PMA) for enhanced elasticity and durability, a minimum viscosity rating to withstand high temperatures, and specific aggregate gradation for improved traction. Additionally, the asphalt must have a controlled binder content to prevent excessive wear and maintain consistency during races, ensuring safety and competitive integrity on the track.