68092-68-2 Poly[oxy(methyl-1,2-ethanediyl)], α,α-1,2-ethanediylbis[ ω-hydroxy-, polymer with α-hydro-ω-hydroxypoly[ oxy(methyl-1,2-ethanediyl)] and 1,1-methylenebis[isocyanatobenzene]
68092-76-2 Aluminum oxide (Al2O3),compounds,mixt. with chromium oxide (Cr2O3),iron oxide (Fe2O3) and silica