Slotted septa in HPLC as penetration aid for thick/blunt needles and to create a valve effect in case of multiple injections. The septum is made of silicone white/PTFE blue with slit.
55° shore A Temp. range: -60 °C – 200 °C
ND11 Alu flare cap - silicone white / PTFE blue slotted