68002-40-4 Pentaerythritol polyoxypropylene ether, toluenediisocyanate polymer, isocyanate terminated Poly(oxy(methyl-1,2-ethanediyl)), alpha-hydro-omega-hydroxy-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1), polymer with 1,3-diisocyanatomethylbenzene, isocyanate-terminated