I-cap ye-bondid kunye ne-sepga yenzelwe ngokukodwa iipropathi ze-HPLC kwaye zinepropathi yokuqhelanisa kunye nokuchasana nemichiza, ukuqinisekisa ukuthembeka kwesampulu kunye nokuchasana nokugcina kunye nohlalutyo. Ezi cap kunye ne-Septa zenziwa ngokudityaniswa kwe-ptfe kunye ne-silicone, zibonelela ngenqanaba eliphezulu lemichiza kwaye zilungele iintlobo ngeentlobo zezinyibilikisi kunye neemichiza.