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