InstroTek - Asphalt Compatibility Tester (ACT) - Brochure

The Asphalt Compatibility Tester (ACT) is a fast, straightforward method to evaluate the adhesion properties of asphalt binder and aggregates in the mixture. This test uses LED light and detection system to measure the color change that may occur as a result of ASTM D 3625 (Boil Test Method). The Boil Test is an established test method that many state agencies require to quickly measure the adhesion strength of the asphalt binder to the aggregate surface. Currently, percent binder loss is determined visually by an operator.  Visual inspection is inaccurate and subjective. The InstroTek ACT reports a binder Loss Index value (L*) that is independent of operator judgment. Simply load the mixture, place the detection system on the sample and get your results in seconds.