DF350A yahinduye Diphenyl EtherImyenda y'Ibirahure Rigid Urupapuroigizwe nigitambara cyibirahure kiboze hamwe na diphenyl ether yahinduwe ya resimosetting resin, yandujwe nubushyuhe bwinshi nigitutu.Imyenda y'ibirahuri iboshye igomba kuba idafite alkali kandi ikavurwa na KH560.Icyiciro cyubushyuhe nicyiciro cya H.