I-Bonded Cap ne-Septa yakhelwe ngqo nge-HPLC Autosamplers futhi inezakhiwo ezinhle kakhulu zokuthengisa kanye nokumelana kwamakhemikhali, ukuqinisekisa ubuqotho kanye nokunemba kwesampula ngesikhathi sokugcina nokuhlaziywa. Lezi zi-cap ne-SEPTE zenziwe ngenhlanganisela ye-PTFE ne-silicone, ukuhlinzeka ngezinga eliphakeme lokungena kwamakhemikhali futhi kufanelekile ama-solvents ahlukahlukene kanye nezimo zamakhemikhali.