The second part or part B of the coating composition comprises a polyisocyanate composition with the polyisocyanate composition selected from polyisocyanate compositions consisting of hexamethylene diisocyanate, {HEAD ~ the biuret} of hexamethylene diisocyanate , the trimer of HDI and {TAIL ~ mixtures} and reaction products thereof 
The second part or part B of the coating composition comprises a polyisocyanate composition with the polyisocyanate composition selected from polyisocyanate compositions consisting of hexamethylene diisocyanate , { HEAD ~ the biuret } of hexamethylene diisocyanate , the trimer of HDI and { TAIL ~ mixtures } and reaction products thereof
OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH