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