Synonyms: Polyurethane Y-299;Duranate exp-D 101;Y 299;butane-1,4-diol- 1,6-diisocyanatohexane(1:1);AC1L4UGN;AC1Q6BLS;AR-1I0971;Isocyanic acid, hexamethylene ester, polymer with 1,4-butanediol (8CI);butane-1,4-diol; 1,6-diisocyanatohexane;LS-118291;1,4-Butanediol, polymer with 1,6-diisocyanatohexane;1,4-Butanediol, polymer with 1,6-diisocyanatohexane (9CI);Isocyanic acid, hexamethylene ester, polymer with 1,4-butanediol