A predetermined amount of the polymer asphalt master batch is blended with a predetermined amount of the asphalt cross linking {HEAD ~ agent blend} to form {TAIL ~ a PMA blend} 
to form
A predetermined amount of the polymer asphalt master batch is blended with a predetermined amount of the asphalt cross linking { HEAD ~ agent blend } to form { TAIL ~ a PMA 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 REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL