Ibisigarira bikomeye bya fenolike ni umuhondo, ubonerana, ibintu byinshi bya amorphous, kubera ko birimo fenol yubusa kandi itukura, impuzandengo yuburemere bwihariye bwikigo igera kuri 1.7, gushonga muri alcool, kutangirika mumazi, bihamye 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 no kurwanya ubushyuhe, kandi ikoreshwa cyane mubuhanga bwo kurwanya ruswa, ibifata neza, ibikoresho byangiza umuriro, gusya ibiziga hamwe nizindi nganda.