ʻO Polyproopylene wahine he mea waiwai nui i ke aniani no ke aniani no kekahi mau noi. Ua kūkuluʻia ka Vial mai ke kiʻekiʻe kiʻekiʻe,ʻo Polypoppylene a iʻole PolyMethyl Penttene (PMP). ʻO ke kohoʻia kēia palu no kona paleʻana, me ka mea maʻamau, a me ka nūnoʻana. ʻO Polyproopyllene ka mea i kapaʻiaʻo Blacket Pastic. ʻO Poyproopylene wahine i ka wela i ka wela o ka 135 deg i kau celsius a hoʻohana pinepineʻia i nā hoʻokolohua chromatographic. He kiʻekiʻeʻo PMP i ke kū'ēʻana i ka wela o ka wela ʻO ka Vial maʻamau kahi maʻamau he 9mm i waho o ka diameter i waho, e hana ana me ka nui o nā'ōnaehana o Autosampler i hoʻohana pinepineʻia i nā hana maʻamau.