Road American
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Asphalt modification is applied through various processes to enhance the performance characteristics of asphalt or bitumen. Common methods include the incorporation of polymers, such as SBS (styrene-butadiene-styrene), which improve elasticity and resistance to deformation. Additionally, additives like crumb rubber or rejuvenators can be blended into the asphalt mix to enhance durability and reduce aging. These modifications are typically achieved through mixing at elevated temperatures, ensuring a homogeneous blend that meets specific performance requirements for road applications.
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