ʻO EPDM (estlene sopylene diene monomer) septum kahiʻano stnthetic e hoʻohana pinepineʻia ma nā hoʻonohonohoʻana a me nā hoʻonohonohoʻoihana. Ua hoʻohana muaʻia ia ma keʻano he mea hōʻailona ma nā noi likeʻole, e like me kahi septum no ka hōʻailonaʻana i nā vialis sample a iʻole nā mea i hoʻopiliʻia.
Hoʻohana pinepineʻiaʻo EPDM SEPTA ma Chromatography a me nāʻenehana Chemistry, e like me keʻano chromatography (GC) a me ke kiʻekiʻe o ka chromatography (HLLC). Ua kauʻia lākou ma luna o ka piko o ka vial a iʻole nā pahu, e hāʻawi ana i kahi hōʻailona kūpono a me ka ea.
Hāʻawi ka septum no ka loaʻaʻole o kahi pono a iʻole syringe e hoʻolauna ai a haʻalele paha i nā hiʻohiʻona a iʻole nā hoʻoponoponoʻana i keʻano o nāʻike.
Ua makemakeʻiaʻo EPDM no ka septa ma muli o kāna mea e kū pono ai, haʻahaʻa haʻahaʻa, a me ka hiki ke mālama i kahi hōʻailona palekana ma lalo o nāʻano likeʻole.