Domacryl 507 50X/BAc Hydroxy polyol IGM Resins Polyurethane (PU) - Polyols Coatings General Industrial /Maintenance >> Primer General Industrial /Maintenance >> Topcoat / One-coat finishes xylene/butylacetate 9:1 Hydroxy polyol. Used in fast drying 2K industrial primers and topcoats. Hydroxy polyol. Used in fast drying 2K industrial primers and topcoats.