The amount of viscosity reducing agent often ranges from about 1 percent to about 10 percent, preferably about 2 percent to {HEAD ~ about 6 percent}, based on {TAIL ~ the total weight} of the formulation 
based on
The amount of viscosity reducing agent often ranges from about 1 percent to about 10 percent , preferably about 2 percent to { HEAD ~ about 6 percent } , based on { TAIL ~ the total weight } of the formulation
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 OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH