Road American
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Polymer modified asphalt (PMA) is applied in asphalt or bitumen modification processes by incorporating polymers into the asphalt binder during production. This is typically achieved through a blending process where the polymer is mixed with heated asphalt, allowing for a uniform dispersion. The modified binder enhances the performance characteristics of the asphalt mix, improving elasticity, temperature resistance, and durability. PMA is then used in various asphalt applications, including road surfaces and pavements, to extend their lifespan and reduce maintenance needs.
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