I-Rubber Septa, eyaziwa nangokuthi ama-rubber stoppers noma ukuvalwa, ajwayele ukusetshenziswa ezindaweni zokucwaninga njengezinto zokubekwa uphawu kwama-vials, amabhodlela, nezinye iziqukathi. I-Septum (ubuningi: I-SEPTA) iyingxenye emincane yenjoloba noma ye-elastomeric eyenzelwe ukuhlinzeka ngophawu oluqinile noma olunamanzi lapho kufakwa ekuvulekeni kwesitsha.
I-Rubber Septa yenziwa ngokujwayelekile kusuka ezinhlobonhlobo zezinto ezahlukene ze-elastomeric, njengerabha yemvelo noma ama-polymers okwenziwa njenge-silicone noma injoloba ye-butyl.
Lezi zinto zokwenziwa zikhethwe ngokuguquguquka kwazo, ukumelana kwamakhemikhali, kanye nekhono ukwakha uphawu oluqinile.