Paving the Future


    The Asphalt Institute’s Technical Advisory Committee has formed a task force on re-refined engine oil bottoms (REOB), also known as Vacuum Tower Asphalt Extender (VTAE). The task force has developed this repository of REOB/VTAE information and wanted to share it with industry.

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    Other Services

    • RAP

      Recommendations When Dealing with RAP in Asphalt Mix Designs

    • Tack Coats

      Optimization of Tack Coat for HMA Placement (NCHRP) View NCHRP Report 712 Tack Coat Best Practices

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