{TAIL ~ The polyurethane composition} is formed from the reaction product of at least a prepolymer of a polyisocyanate and a polyol, and a diamine curing {HEAD ~ agent} 
{ TAIL ~ The polyurethane composition } is formed from the reaction product of at least a prepolymer of a polyisocyanate and a polyol , and a diamine curing { HEAD ~ agent }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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