Ibisigarira bikomeye bya fenolike ni umuhondo, ubonerana, amorphous mass mass, kubera ko irimo fenol yubusa kandi itukura, impuzandengo yuburemere bwihariye bwikigo igera kuri 1.7, igashonga muri alcool, idashonga mumazi, ihamye kumazi, aside idakomeye, igisubizo cya alkali. Ibisigarira bikozwe muri fenol na formaldehyde polycondensation, kutabogama no gukaraba amazi mubihe bya catalizator. Bitewe na catalizator zitandukanye zatoranijwe, irashobora kugabanywamo ibyiciro bibiri: thermosetting na thermoplastique. Ibisigarira bya fenolike bifite aside irwanya aside, imiterere yubukanishi hamwe nubushyuhe bwo kurwanya ubushyuhe, kandi ikoreshwa cyane mubuhanga bwo kurwanya ruswa, ibifatika, ibikoresho byangiza umuriro, gusya ibiziga hamwe nizindi nganda.