Road American
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Polymer modified asphalt (PMA) is applied in asphalt modification processes by blending polymers, such as styrene-butadiene-styrene (SBS) or ethylene-vinyl acetate (EVA), with bitumen. This is typically done through a high-shear mixing process, where the polymer is dissolved in the heated asphalt to achieve a homogeneous mixture. The modified asphalt exhibits enhanced properties, including improved elasticity, temperature resistance, and durability, making it suitable for high-performance pavement applications. Proper mixing and curing are essential for optimal performance.
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