In our project, is used to asphalt wearing course bitumen 50/70 percantage 5.6% in agr. and as additive natural bitumenin percentage 8% in bitumen.This natural bitumen has melt point >180 celcious, asphaltene content more than 50% (rest sand) and is added in the mixer. my question, whta percentage of bitumen to wait in extraction tests. 5.4 in mix or 5.7 in mix. Name of this bitumen is Selenizza from Albania. Thank you
eg attach Selenizza characteristics
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