Fenɔli solide resin ye jɛman ye, a bɛ kɛ kɛnɛ kan, a tɛ fɛn ye, bawo fenɔli hɔrɔnyalen ni bilenman bɛ a la, a fɛn girinya kɛrɛnkɛrɛnnen hakɛ bɛ se 1,7 ɲɔgɔn ma, a bɛ wuli dɔlɔ la, a tɛ se ka wuli ji la, a bɛ sabati ji la, asidi barikama, alkali barikama. Resini min dilannen don ni fenɔli ni fɔrimadeyi polikondensasiyɔn ye, neutralisation ani ji koli katalisita cogoyaw la. K’a sababu Kɛ katalisita suguya minnu Sugandira, a bɛ Se ka Tla ka Kɛ kulu fla ye: thermosetting ani thermoplastic. Fenɔli rezɛn bɛ ni asidi rezisti ɲuman ye, a bɛ kɛ ni masinw ye ani a bɛ funteni kunbɛn, wa a bɛ kɛ ka caya fɛnɲɛnamafagalan, nɛgɛw, tasumafagalanw, sɔgɔlifɛnw dilanni ani izini wɛrɛw la.