It has now surprisingly been found that golf ball covers formulated from E/PO polyols, a diisocyanate monomer, and {HEAD ~ a curing agent} have {TAIL ~ both excellent shear resistance} and good resilience 
have
It has now surprisingly been found that golf ball covers formulated from E / PO polyols , a diisocyanate monomer , and { HEAD ~ a curing agent } have { TAIL ~ both excellent shear resistance } and good resilience
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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH