Astm D6307 Pdf !!exclusive!! Jun 2026

: The aggregate remains left after the test can be used for sieve analysis to check gradation, though some particle degradation may occur due to the high heat. ASTM International The Two Standard Methods

Unlike older solvent-based extraction methods (which use chemicals like trichloroethylene), the ignition method is faster, safer, and more environmentally friendly. The test involves heating a sample of the asphalt mixture in a furnace to a high temperature (typically around 538°C or 1000°F), causing the asphalt binder to burn off, leaving behind the aggregate. The difference in mass before and after ignition represents the asphalt binder content. astm d6307 pdf