A comprehensive experiment was designed to compare the performance-related properties of a wide range of air-blown asphalt binders with those of straight run asphalt binders of similar viscosity grades. The binders were evaluated using the concepts of the Superpave binder specifications. In contrast to the prevailing perception in the industry, all performance-related properties of the air-blown binders were found to be as good as or better than conventional straight run asphalt binders.
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