Additives, such as flexibilizers and solubilizers can be added to the formulation for {HEAD ~ increased strength} and definition of {TAIL ~ the patterned lines} 
Additives , such as flexibilizers and solubilizers can be added to the formulation for { HEAD ~ increased strength } and definition of { TAIL ~ the patterned lines }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL