Road American
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Several factors influence bitumen modified polyurethane in asphalt or bitumen modification systems. These include the type and concentration of polyurethane used, the compatibility of the polymer with the bitumen, temperature during mixing, and the curing conditions. Additionally, the molecular weight of the polyurethane and the presence of additives can significantly affect the performance characteristics, such as viscosity, elasticity, and resistance to aging. Proper formulation and processing are crucial for optimizing the properties of the modified bitumen.
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