Abubuwan da ke cikin membranes shine polypropylene.Membran ba shi da ƙarfi kuma yana danne cake a cikin ɗakin bayan an gama aikin tacewa.Ana iya amfani da ruwa ko iska (matsewar iska) azaman kafofin watsa labarai na hauhawar farashin kaya.

Siffofin
● gajerun zagayowar tacewa
● Gajeren zagayowar wanka
● Ƙananan danshi
● Babu nauyi kai tsaye akan membrane saboda ƙarfin rufewa
● Babban elasticity na membrane
● Motsi mai zaman kansa na lokaci
● Rufe tsarin farantin tacewa
● Babban yanki na giciye na filtrate kanti
● Matsayin aminci na tsarin membrane