iv) mixing the PMA blend for a period of time to allow a polymer network to form within the first and second asphalt, wherein {HEAD ~ the mixing step} is performed without {TAIL ~ substantial delay} following blending step iii) 
is performed without
iv ) mixing the PMA blend for a period of time to allow a polymer network to form within the first and second asphalt , wherein { HEAD ~ the mixing step } is performed without { TAIL ~ substantial delay } following blending step iii )
OTH OTH 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 REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH