A process of preparing a polymer modified asphalt comprising mixing a predetermined amount of a polymer asphalt master batch with a predetermined amount of {HEAD ~ an asphalt cross} linking {TAIL ~ agent blend} 
A process of preparing a polymer modified asphalt comprising mixing a predetermined amount of a polymer asphalt master batch with a predetermined amount of { HEAD ~ an asphalt cross } linking { TAIL ~ agent blend }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL