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