Kyakkyawan farashi mai hana tsufa EPPD (6PPD+7PPD) cas 793-24-8, 3081-01-4

EPPD wani sinadari ne na N-(1,3 - Dimethylbutyl)-N'-phenyl-p-phenylenediamine da N-(1,4 - Dimethylpentyl)-N'-phenyl-p-phenylenediamine a wani kaso. Wannan samfurin ba ya samar da sinadarin nitroso a cikin roba, sabon tsari ne na maganin tsufa na roba mai kare muhalli. Wannan samfurin yana da juriya mai ƙarfi ga ozone da iskar shaka, don haka yana da juriya mai kyau ga gajiya da lanƙwasa a yanayin zafi mai yawa. Narkewa yana da kyau tare da roba. Ƙananan canjin yanayi da ƙarancin motsi. Zai iya hana jan ƙarfe, manganese da sauran ƙarfe masu cutarwa daga lalacewar catalytic. Samfurin yana da ruwa a zafin ɗaki, don haka yana da sauƙin shiryawa da aiki lokacin da ake amfani da shi don maganin robar roba bayan an yi masa magani. Yawan da ake buƙata gabaɗaya shine kashi 0.3 zuwa 0.5.