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The asphalt content is calculated as a percentage of the total mix, accounting for any small amount of aggregate that may have been lost (if applicable) or by calculating the mass loss from the raw data. Where to Find the ASTM D6307 PDF
( Determining the Asphalt Binder Content of Hot Mix Asphalt (HMA) by the Ignition Method ) is technically equivalent to ASTM D6307. Most state highway agencies use the AASHTO version, but the test procedure is nearly identical. If you need to comply with federal highway projects, either standard is acceptable if the project specifications permit. astm d6307 pdf
A "blank" calibration sample with a known binder percentage is created. The sample is burned in the ignition furnace.
Formulas to compute asphalt binder content as a percentage of the total mix mass. Where to Find the ASTM D6307 PDF (
: Supports both convection and direct irradiation heating methods.
A official copy of the ASTM D6307 PDF is structured into several mandatory sections required for standardized laboratory testing: A "blank" calibration sample with a known binder
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: Place the sample in the furnace. The binder is ignited and burned away.