Tag Archives: asphalt


Published 12 Mar 2019

Determining the quality of asphalt emulsions using particle size and zeta potential analysis

What are asphalt emulsions and why are they important? They are liquid asphalt cement emulsified in water. They compose of bitumen, water, and an emulsifying agent or surfactant. Asphalt emulsions are integral to the optimum mechanical properties. Modified asphalt emulsions…READ MORE >

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Published 9 Nov 2018

Roofing Asphalt Characterization Techniques for Improved QC

Commentary, courtesy of Everett Crews (Ingevity), and AMAP Although the history of the scientific study of the flow of matter is replete with names of our greatest thinkers, from Aristotle, Galileo, and Newton to Maxwell, Edison, and Einstein, the term…READ MORE >

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Published 12 Apr 2016

Using a Rotational Rheometer for High Shear Rate Measurements

Recently I have been showing some of our rotational rheometer customers how to make high shear measurements on their instruments. This highlights some of the hard to define measurement constraints that rheometer users can have when pushing the practical limits…READ MORE >

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