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The Use and Performance of Asphalt Binder Modified with Polyphosphoric Acid (PPA)

Primary Topic: Materials-Asphalt

Description: This Technical Brief provides an overview of the implication of the use of Polyphosphoric Acid as a modifier for asphalt binders and implications in relation to asphalt pavement performance.

FHWA Publication Number: FHWA-HIF-12-030

Publication Year: 2012

Document Links: PDF (file size: 0.6 mb)

PDF files can be viewed with the Acrobat® Reader®

 

 

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