英文同义词
Hexanedioic acid, polymer with 1,4-butanediol and 1,1-methylenebis4-isocyanatobenzene;MDI/ butylene glycol/ adipic acid copolymer;Polyurethane Y-218;TIANFU-CHEM -Hexanedioic acid, polymer with 1,4-butanediol and 1,1-methylenebis4-isocyanatobenzene