Synthetic Resin SK Hydrogenated acetophenone-folmaldehyde Degussa Aminoplaste / Phenoplaste (UF, MUF) ADHESIVE >> Hot-melt Hydrogenated acetophenone formaldehyde condensation resin. Synthetic Resin is used in isocyanate-based reactive adhesives, in radiation-cured and water-clear adhesives. Hydrogenated acetophenone formaldehyde condensation resin. Used in isocyanate-based reactive adhesives, in radiation-cured and water-clear adhesives.