Road American
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How does what is polymer modified bitumen impact performance in modified asphalt or bitumen applications?
Polymer modified bitumen (PMB) enhances the performance of asphalt by improving its elasticity, durability, and resistance to temperature variations. The addition of polymers increases the binder’s viscosity, reducing the risk of rutting and cracking under heavy loads and extreme weather conditions. PMB also improves adhesion between aggregates, leading to better overall cohesion and longevity of the asphalt mix. Consequently, PMB is particularly beneficial in high-stress environments, ensuring longer-lasting pavement performance.
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