application Evonik Vestanat IPDI isophorone diisocyanate 4098-71-9 Manufacturer :EVONIK Degussa Structure: 3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate Ph... 11/20171Evonik Vestanat IPDI isophorone diisocyanate 4098-71-9