type based on blocked polyisocyanate of hexamethylene diisocyanate supply form 75%100# solvent naphtha solution purpose with desmophen®-type products are used to prepare light-res ...

donaidtm model solid content wt% nco wt% viscosity mpa·s/25°c solvent features cure temperature (bake for 30 minutes) sparse water type mf-k60x 60 6.5 250 xylene n-butanol low temperat ...

product introduction ethylenediamine is an important fine chemical intermediate, mainly used in pesticides, chelating agents, silane coupling agents, polyurethane catalysts, spandex, etc. pr ...

chemical name ：polytetramethylene ether glycol; polytetrahydrofuran cas number : 25190-06-1 molecular formula : c8h18o4 purpose : ptmeg is mainly used to produce polyurethane elastomers, poly ...