ČSN EN 12697-4

This document specifies a method for the recovery of soluble bitumen from bituminous mixtures used in road, airfield or similar pavements in a form suitable for further testing. The method is applicable for the recovery of paving grade bitumen and is the reference method for recovery of soluble bitumen from bituminous mixtures containing volatile matter such as cut-back bitumen. The method is not applicable for recovery of polymer-modified bitumen. NOTE - EN 12697-3 is the reference method for the recovery of paving grade bitumen and polymer-modified bitumen.