what is catalin
Definition of CATALIN. : a thermosetting plastic made of a cast phenol-formaldehyde resin and marked by high compressive strength and ready machinability.ADVERTISEMENT. formerly a U.S. registered trademark. First Known Use: 1929.efinition of CATALIN. : a thermosetting plastic made of a cast phenol-formaldehyde resin and marked by high compressive strength and ready machinability. ADVERTISEMENT. formerly a U.S. registered trademark.