Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en Congo copal300012912Congo gumCongo resincopal, Congo A medium hard variety of copal resin obtained from both living trees and as fossil resin from the genus Copaifera in western Africa. Congo copal is insoluble in most organic solvents until it has been thermally treated. It forms transparent gels with some alcohols, hot oils and and hot solvents. Congo copal is used in varnishes and paints for metal surfaces. copal del Congo copal del congo 2026-03-30 20:31:40