Synthetic resins, it is a transparent, amorphous organic material which is malleable in that it can melt when heated or placed in a volatile solution. Natural resins come from trees; fossil resins come from ground deposits of vegetation. Synthetic resins are created by chemists and often have greater durability). Artists known for epoxy resin include Frank Gallo and Mayme Kratz. Sources: Ralph Mayer, "A Dictionary of Art Terms and Techniques"; AskART database <br><br>A general term for a wide variety of more or less transparent, fusible materials. The term is used to designate any polymer that is a basic material for paints and plastics.