Synthetic Resin TC Ketone-formaldehyde Degussa Aminoplaste / Phenoplaste (UF, MUF) ADHESIVE Ketone formaldehyde condensation resin. Synthetic Resin is used in isocyanate-based reactive adhesives, in radiation-cured and water-clear adhesives. Ketone formaldehyde condensation resin. Used in isocyanate-based reactive adhesives, in radiation-cured and water-clear adhesives.