The amount of {HEAD ~ plasticizer} often ranges from about 0.5 percent to about 5 percent, preferably about 2 to about 3 percent, based on {TAIL ~ the total weight} of the formulation 
The amount of { HEAD ~ plasticizer } often ranges from about 0.5 percent to about 5 percent , preferably about 2 to about 3 percent , based on { TAIL ~ the total weight } of the formulation
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH