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Publication Details

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

General Interest: provides practical guidance to engineers responsible for the day-to-day design, construction, rehabilitation, maintenance, and management of pavements.

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: 1 mb)

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Updated: 07/26/2011
 

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United States Department of Transportation - Federal Highway Administration