Copal resin yog xim amber-xim, tawv, pob tshab uas yog tso tawm ntawm sapwood thiab sab hauv tawv ntawm qee cov ntoo.
Copal resin yog muab los ntawm ntau hom ntoo tropical. Lumpy copal kuj muaj nyob hauv av, tso los ntawm cov resin secreted los ntawm cov ntoo uas tuag txog ib lab xyoo dhau los.